Finding the Fourth Proportional to 17,859.98, 24,646.72 and 9,902

Step by Step Solution

1. Step 1: Write the proportion equation
   17,859.98 : 24,646.72 = 9,902 : x
2. Step 2: Convert to fraction form
   17,859.98/24,646.72 = 9,902/x
3. Step 3: Cross multiply
   17,859.98x = 24,646.72 × 9,902
4. Step 4: Simplify right side
   17,859.98x = 244,051,821.44
5. Step 5: Solve for x
   x = 244,051,821.44/17,859.98
6. Step 6: Final answer
   x = 13,664.73