Finding the Fourth Proportional to 12,340.48, 17,025.72 and 7,031.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,340.48 : 17,025.72 = 7,031.56 : x
2. Step 2: Convert to fraction form
   12,340.48/17,025.72 = 7,031.56/x
3. Step 3: Cross multiply
   12,340.48x = 17,025.72 × 7,031.56
4. Step 4: Simplify right side
   12,340.48x = 119,717,371.72
5. Step 5: Solve for x
   x = 119,717,371.72/12,340.48
6. Step 6: Final answer
   x = 9,701.19