Finding the Fourth Proportional to 12,681.52, 17,501.81 and 7,304.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,681.52 : 17,501.81 = 7,304.20 : x
2. Step 2: Convert to fraction form
   12,681.52/17,501.81 = 7,304.20/x
3. Step 3: Cross multiply
   12,681.52x = 17,501.81 × 7,304.20
4. Step 4: Simplify right side
   12,681.52x = 127,836,720.36
5. Step 5: Solve for x
   x = 127,836,720.36/12,681.52
6. Step 6: Final answer
   x = 10,080.55