Finding the Fourth Proportional to 12,423.11, 17,143.55 and 7,046.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,423.11 : 17,143.55 = 7,046.53 : x
2. Step 2: Convert to fraction form
   12,423.11/17,143.55 = 7,046.53/x
3. Step 3: Cross multiply
   12,423.11x = 17,143.55 × 7,046.53
4. Step 4: Simplify right side
   12,423.11x = 120,802,487.71
5. Step 5: Solve for x
   x = 120,802,487.71/12,423.11
6. Step 6: Final answer
   x = 9,724.02