Finding the Fourth Proportional to 12,328.18, 17,012.55 and 7,024.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,328.18 : 17,012.55 = 7,024.71 : x
2. Step 2: Convert to fraction form
   12,328.18/17,012.55 = 7,024.71/x
3. Step 3: Cross multiply
   12,328.18x = 17,012.55 × 7,024.71
4. Step 4: Simplify right side
   12,328.18x = 119,508,230.11
5. Step 5: Solve for x
   x = 119,508,230.11/12,328.18
6. Step 6: Final answer
   x = 9,693.91