Finding the Fourth Proportional to 152,532.48, 228,662.60 and 77,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   152,532.48 : 228,662.60 = 77,610.72 : x
2. Step 2: Convert to fraction form
   152,532.48/228,662.60 = 77,610.72/x
3. Step 3: Cross multiply
   152,532.48x = 228,662.60 × 77,610.72
4. Step 4: Simplify right side
   152,532.48x = 17,746,669,023.07
5. Step 5: Solve for x
   x = 17,746,669,023.07/152,532.48
6. Step 6: Final answer
   x = 116,346.82