Finding the Fourth Proportional to 89,250.50, 133,910.80 and 39,295.55

Step by Step Solution

1. Step 1: Write the proportion equation
   89,250.50 : 133,910.80 = 39,295.55 : x
2. Step 2: Convert to fraction form
   89,250.50/133,910.80 = 39,295.55/x
3. Step 3: Cross multiply
   89,250.50x = 133,910.80 × 39,295.55
4. Step 4: Simplify right side
   89,250.50x = 5,262,097,670.91
5. Step 5: Solve for x
   x = 5,262,097,670.91/89,250.50
6. Step 6: Final answer
   x = 58,958.75