Finding the Fourth Proportional to 67,243.10, 92,708.76 and 55,098.43

Step by Step Solution

1. Step 1: Write the proportion equation
   67,243.10 : 92,708.76 = 55,098.43 : x
2. Step 2: Convert to fraction form
   67,243.10/92,708.76 = 55,098.43/x
3. Step 3: Cross multiply
   67,243.10x = 92,708.76 × 55,098.43
4. Step 4: Simplify right side
   67,243.10x = 5,108,107,123.25
5. Step 5: Solve for x
   x = 5,108,107,123.25/67,243.10
6. Step 6: Final answer
   x = 75,964.78