Finding the Fourth Proportional to 152,633.76, 228,989.52 and 47,453.60

Step by Step Solution

1. Step 1: Write the proportion equation
   152,633.76 : 228,989.52 = 47,453.60 : x
2. Step 2: Convert to fraction form
   152,633.76/228,989.52 = 47,453.60/x
3. Step 3: Cross multiply
   152,633.76x = 228,989.52 × 47,453.60
4. Step 4: Simplify right side
   152,633.76x = 10,866,377,086.27
5. Step 5: Solve for x
   x = 10,866,377,086.27/152,633.76
6. Step 6: Final answer
   x = 71,192.49