Finding the Fourth Proportional to 12,681.52, 17,501.10 and 7,016.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,681.52 : 17,501.10 = 7,016.24 : x
2. Step 2: Convert to fraction form
   12,681.52/17,501.10 = 7,016.24/x
3. Step 3: Cross multiply
   12,681.52x = 17,501.10 × 7,016.24
4. Step 4: Simplify right side
   12,681.52x = 122,791,917.86
5. Step 5: Solve for x
   x = 122,791,917.86/12,681.52
6. Step 6: Final answer
   x = 9,682.74