Finding the Fourth Proportional to 89,900.38, 134,808.85 and 52,471.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89,900.38 : 134,808.85 = 52,471.27 : x
2. Step 2: Convert to fraction form
   89,900.38/134,808.85 = 52,471.27/x
3. Step 3: Cross multiply
   89,900.38x = 134,808.85 × 52,471.27
4. Step 4: Simplify right side
   89,900.38x = 7,073,591,566.74
5. Step 5: Solve for x
   x = 7,073,591,566.74/89,900.38
6. Step 6: Final answer
   x = 78,682.55