Finding the Fourth Proportional to 187,820,943.52, 259,154,088.72 and 108,434,629.34

Step by Step Solution

1. Step 1: Write the proportion equation
   187,820,943.52 : 259,154,088.72 = 108,434,629.34 : x
2. Step 2: Convert to fraction form
   187,820,943.52/259,154,088.72 = 108,434,629.34/x
3. Step 3: Cross multiply
   187,820,943.52x = 259,154,088.72 × 108,434,629.34
4. Step 4: Simplify right side
   187,820,943.52x = 28,101,277,552,298,676
5. Step 5: Solve for x
   x = 28,101,277,552,298,676/187,820,943.52
6. Step 6: Final answer
   x = 149,617,380.39