Finding the Fourth Proportional to 89,902.38, 134,811.85 and 52,473.27

Step by Step Solution

1. Step 1: Write the proportion equation
   89,902.38 : 134,811.85 = 52,473.27 : x
2. Step 2: Convert to fraction form
   89,902.38/134,811.85 = 52,473.27/x
3. Step 3: Cross multiply
   89,902.38x = 134,811.85 × 52,473.27
4. Step 4: Simplify right side
   89,902.38x = 7,074,018,604.25
5. Step 5: Solve for x
   x = 7,074,018,604.25/89,902.38
6. Step 6: Final answer
   x = 78,685.55