Finding the Fourth Proportional to 91,680.48, 137,414.30 and 34,718.18

Step by Step Solution

1. Step 1: Write the proportion equation
   91,680.48 : 137,414.30 = 34,718.18 : x
2. Step 2: Convert to fraction form
   91,680.48/137,414.30 = 34,718.18/x
3. Step 3: Cross multiply
   91,680.48x = 137,414.30 × 34,718.18
4. Step 4: Simplify right side
   91,680.48x = 4,770,773,541.31
5. Step 5: Solve for x
   x = 4,770,773,541.31/91,680.48
6. Step 6: Final answer
   x = 52,036.96