Finding the Fourth Proportional to 17,843.40, 24,624.10 and 9,885.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,843.40 : 24,624.10 = 9,885.72 : x
2. Step 2: Convert to fraction form
   17,843.40/24,624.10 = 9,885.72/x
3. Step 3: Cross multiply
   17,843.40x = 24,624.10 × 9,885.72
4. Step 4: Simplify right side
   17,843.40x = 243,426,957.85
5. Step 5: Solve for x
   x = 243,426,957.85/17,843.40
6. Step 6: Final answer
   x = 13,642.41