Finding the Fourth Proportional to 17,854.86, 24,641.15 and 9,899.63

Step by Step Solution

1. Step 1: Write the proportion equation
   17,854.86 : 24,641.15 = 9,899.63 : x
2. Step 2: Convert to fraction form
   17,854.86/24,641.15 = 9,899.63/x
3. Step 3: Cross multiply
   17,854.86x = 24,641.15 × 9,899.63
4. Step 4: Simplify right side
   17,854.86x = 243,938,095.07
5. Step 5: Solve for x
   x = 243,938,095.07/17,854.86
6. Step 6: Final answer
   x = 13,662.28