Finding the Fourth Proportional to 9,342.55, 12,892.07 and 5,254.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,342.55 : 12,892.07 = 5,254.96 : x
2. Step 2: Convert to fraction form
   9,342.55/12,892.07 = 5,254.96/x
3. Step 3: Cross multiply
   9,342.55x = 12,892.07 × 5,254.96
4. Step 4: Simplify right side
   9,342.55x = 67,747,285.89
5. Step 5: Solve for x
   x = 67,747,285.89/9,342.55
6. Step 6: Final answer
   x = 7,251.48