Finding the Fourth Proportional to 9,342.29, 12,892.37 and 5,150.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,342.29 : 12,892.37 = 5,150.54 : x
2. Step 2: Convert to fraction form
   9,342.29/12,892.37 = 5,150.54/x
3. Step 3: Cross multiply
   9,342.29x = 12,892.37 × 5,150.54
4. Step 4: Simplify right side
   9,342.29x = 66,402,673.86
5. Step 5: Solve for x
   x = 66,402,673.86/9,342.29
6. Step 6: Final answer
   x = 7,107.75