Finding the Fourth Proportional to 83,560,514.89, 115,311,264.31 and 50,088,900.63

Step by Step Solution

1. Step 1: Write the proportion equation
   83,560,514.89 : 115,311,264.31 = 50,088,900.63 : x
2. Step 2: Convert to fraction form
   83,560,514.89/115,311,264.31 = 50,088,900.63/x
3. Step 3: Cross multiply
   83,560,514.89x = 115,311,264.31 × 50,088,900.63
4. Step 4: Simplify right side
   83,560,514.89x = 5,775,814,459,543,256
5. Step 5: Solve for x
   x = 5,775,814,459,543,256/83,560,514.89
6. Step 6: Final answer
   x = 69,121,336.40