Finding the Fourth Proportional to 17,859.33, 24,643.98 and 9,899.46

Step by Step Solution

1. Step 1: Write the proportion equation
   17,859.33 : 24,643.98 = 9,899.46 : x
2. Step 2: Convert to fraction form
   17,859.33/24,643.98 = 9,899.46/x
3. Step 3: Cross multiply
   17,859.33x = 24,643.98 × 9,899.46
4. Step 4: Simplify right side
   17,859.33x = 243,962,094.25
5. Step 5: Solve for x
   x = 243,962,094.25/17,859.33
6. Step 6: Final answer
   x = 13,660.20