Finding the Fourth Proportional to 152,458.92, 228,566.25 and 72,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,458.92 : 228,566.25 = 72,456.72 : x
2. Step 2: Convert to fraction form
   152,458.92/228,566.25 = 72,456.72/x
3. Step 3: Cross multiply
   152,458.92x = 228,566.25 × 72,456.72
4. Step 4: Simplify right side
   152,458.92x = 16,561,160,777.70
5. Step 5: Solve for x
   x = 16,561,160,777.70/152,458.92
6. Step 6: Final answer
   x = 108,627.04