Finding the Fourth Proportional to 152,499.73, 228,780.18 and 52,663.60

Step by Step Solution

1. Step 1: Write the proportion equation
   152,499.73 : 228,780.18 = 52,663.60 : x
2. Step 2: Convert to fraction form
   152,499.73/228,780.18 = 52,663.60/x
3. Step 3: Cross multiply
   152,499.73x = 228,780.18 × 52,663.60
4. Step 4: Simplify right side
   152,499.73x = 12,048,387,887.45
5. Step 5: Solve for x
   x = 12,048,387,887.45/152,499.73
6. Step 6: Final answer
   x = 79,005.96