Finding the Fourth Proportional to 12,597.31, 17,384.87 and 7,291.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,597.31 : 17,384.87 = 7,291.10 : x
2. Step 2: Convert to fraction form
   12,597.31/17,384.87 = 7,291.10/x
3. Step 3: Cross multiply
   12,597.31x = 17,384.87 × 7,291.10
4. Step 4: Simplify right side
   12,597.31x = 126,754,789.20
5. Step 5: Solve for x
   x = 126,754,789.20/12,597.31
6. Step 6: Final answer
   x = 10,062.06