Finding the Fourth Proportional to 147,550.45, 221,432.29 and 58,752.78

Step by Step Solution

1. Step 1: Write the proportion equation
   147,550.45 : 221,432.29 = 58,752.78 : x
2. Step 2: Convert to fraction form
   147,550.45/221,432.29 = 58,752.78/x
3. Step 3: Cross multiply
   147,550.45x = 221,432.29 × 58,752.78
4. Step 4: Simplify right side
   147,550.45x = 13,009,762,619.27
5. Step 5: Solve for x
   x = 13,009,762,619.27/147,550.45
6. Step 6: Final answer
   x = 88,171.62