Finding the Fourth Proportional to 17,854.43, 24,638.87 and 10,300.78

Step by Step Solution

1. Step 1: Write the proportion equation
   17,854.43 : 24,638.87 = 10,300.78 : x
2. Step 2: Convert to fraction form
   17,854.43/24,638.87 = 10,300.78/x
3. Step 3: Cross multiply
   17,854.43x = 24,638.87 × 10,300.78
4. Step 4: Simplify right side
   17,854.43x = 253,799,404.62
5. Step 5: Solve for x
   x = 253,799,404.62/17,854.43
6. Step 6: Final answer
   x = 14,214.93