Finding the Fourth Proportional to 17,854.38, 24,639.06 and 9,896.70

Step by Step Solution

1. Step 1: Write the proportion equation
   17,854.38 : 24,639.06 = 9,896.70 : x
2. Step 2: Convert to fraction form
   17,854.38/24,639.06 = 9,896.70/x
3. Step 3: Cross multiply
   17,854.38x = 24,639.06 × 9,896.70
4. Step 4: Simplify right side
   17,854.38x = 243,845,385.10
5. Step 5: Solve for x
   x = 243,845,385.10/17,854.38
6. Step 6: Final answer
   x = 13,657.45