Finding the Fourth Proportional to 89,146.89, 133,691.16 and 41,747.31

Step by Step Solution

1. Step 1: Write the proportion equation
   89,146.89 : 133,691.16 = 41,747.31 : x
2. Step 2: Convert to fraction form
   89,146.89/133,691.16 = 41,747.31/x
3. Step 3: Cross multiply
   89,146.89x = 133,691.16 × 41,747.31
4. Step 4: Simplify right side
   89,146.89x = 5,581,246,300.78
5. Step 5: Solve for x
   x = 5,581,246,300.78/89,146.89
6. Step 6: Final answer
   x = 62,607.30