Finding the Fourth Proportional to 236,773.52, 355,148.73 and 87,002.29

Step by Step Solution

1. Step 1: Write the proportion equation
   236,773.52 : 355,148.73 = 87,002.29 : x
2. Step 2: Convert to fraction form
   236,773.52/355,148.73 = 87,002.29/x
3. Step 3: Cross multiply
   236,773.52x = 355,148.73 × 87,002.29
4. Step 4: Simplify right side
   236,773.52x = 30,898,752,800.59
5. Step 5: Solve for x
   x = 30,898,752,800.59/236,773.52
6. Step 6: Final answer
   x = 130,499.19