Finding the Fourth Proportional to 152,615.94, 228,934.17 and 52,785.78

Step by Step Solution

1. Step 1: Write the proportion equation
   152,615.94 : 228,934.17 = 52,785.78 : x
2. Step 2: Convert to fraction form
   152,615.94/228,934.17 = 52,785.78/x
3. Step 3: Cross multiply
   152,615.94x = 228,934.17 × 52,785.78
4. Step 4: Simplify right side
   152,615.94x = 12,084,468,732.10
5. Step 5: Solve for x
   x = 12,084,468,732.10/152,615.94
6. Step 6: Final answer
   x = 79,182.22