Finding the Fourth Proportional to 17,925.90, 24,738.34 and 9,859.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,925.90 : 24,738.34 = 9,859.89 : x
2. Step 2: Convert to fraction form
   17,925.90/24,738.34 = 9,859.89/x
3. Step 3: Cross multiply
   17,925.90x = 24,738.34 × 9,859.89
4. Step 4: Simplify right side
   17,925.90x = 243,917,397.79
5. Step 5: Solve for x
   x = 243,917,397.79/17,925.90
6. Step 6: Final answer
   x = 13,606.98