Finding the Fourth Proportional to 1,209,061,123.08, 1,814,282,786.34 and 656,408,485.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,209,061,123.08 : 1,814,282,786.34 = 656,408,485.92 : x
2. Step 2: Convert to fraction form
   1,209,061,123.08/1,814,282,786.34 = 656,408,485.92/x
3. Step 3: Cross multiply
   1,209,061,123.08x = 1,814,282,786.34 × 656,408,485.92
4. Step 4: Simplify right side
   1,209,061,123.08x = 1,190,910,616,812,158,208
5. Step 5: Solve for x
   x = 1,190,910,616,812,158,208/1,209,061,123.08
6. Step 6: Final answer
   x = 984,987,933.26