Finding the Fourth Proportional to 91,098.52, 136,664.18 and 43,673.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,098.52 : 136,664.18 = 43,673.42 : x
2. Step 2: Convert to fraction form
   91,098.52/136,664.18 = 43,673.42/x
3. Step 3: Cross multiply
   91,098.52x = 136,664.18 × 43,673.42
4. Step 4: Simplify right side
   91,098.52x = 5,968,592,132.10
5. Step 5: Solve for x
   x = 5,968,592,132.10/91,098.52
6. Step 6: Final answer
   x = 65,517.99