Finding the Fourth Proportional to 12,411.90, 17,125.56 and 7,693.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411.90 : 17,125.56 = 7,693.92 : x
2. Step 2: Convert to fraction form
   12,411.90/17,125.56 = 7,693.92/x
3. Step 3: Cross multiply
   12,411.90x = 17,125.56 × 7,693.92
4. Step 4: Simplify right side
   12,411.90x = 131,762,688.60
5. Step 5: Solve for x
   x = 131,762,688.60/12,411.90
6. Step 6: Final answer
   x = 10,615.84