Finding the Fourth Proportional to 1,123,775,355,910.20, 1,550,811,138,895.30 and 609,941,256,314.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,775,355,910.20 : 1,550,811,138,895.30 = 609,941,256,314.55 : x
2. Step 2: Convert to fraction form
   1,123,775,355,910.20/1,550,811,138,895.30 = 609,941,256,314.55/x
3. Step 3: Cross multiply
   1,123,775,355,910.20x = 1,550,811,138,895.30 × 609,941,256,314.55
4. Step 4: Simplify right side
   1,123,775,355,910.20x = 945,903,694,364,397,499,580,416
5. Step 5: Solve for x
   x = 945,903,694,364,397,499,580,416/1,123,775,355,910.20
6. Step 6: Final answer
   x = 841,719,556,661.99