Finding the Fourth Proportional to 359,665,785.27, 539,713,908.45 and 155,193,860.52

Step by Step Solution

1. Step 1: Write the proportion equation
   359,665,785.27 : 539,713,908.45 = 155,193,860.52 : x
2. Step 2: Convert to fraction form
   359,665,785.27/539,713,908.45 = 155,193,860.52/x
3. Step 3: Cross multiply
   359,665,785.27x = 539,713,908.45 × 155,193,860.52
4. Step 4: Simplify right side
   359,665,785.27x = 83,760,285,028,693,360
5. Step 5: Solve for x
   x = 83,760,285,028,693,360/359,665,785.27
6. Step 6: Final answer
   x = 232,883,661.61