Finding the Fourth Proportional to 89,762.91, 134,383.61 and 52,208.43

Step by Step Solution

1. Step 1: Write the proportion equation
   89,762.91 : 134,383.61 = 52,208.43 : x
2. Step 2: Convert to fraction form
   89,762.91/134,383.61 = 52,208.43/x
3. Step 3: Cross multiply
   89,762.91x = 134,383.61 × 52,208.43
4. Step 4: Simplify right side
   89,762.91x = 7,015,957,034.79
5. Step 5: Solve for x
   x = 7,015,957,034.79/89,762.91
6. Step 6: Final answer
   x = 78,160.98