Finding the Fourth Proportional to 17,476.55, 24,140.72 and 12,948.43

Step by Step Solution

1. Step 1: Write the proportion equation
   17,476.55 : 24,140.72 = 12,948.43 : x
2. Step 2: Convert to fraction form
   17,476.55/24,140.72 = 12,948.43/x
3. Step 3: Cross multiply
   17,476.55x = 24,140.72 × 12,948.43
4. Step 4: Simplify right side
   17,476.55x = 312,584,423.07
5. Step 5: Solve for x
   x = 312,584,423.07/17,476.55
6. Step 6: Final answer
   x = 17,885.93