Finding the Fourth Proportional to 17,885.88, 24,679.89 and 9,928.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,885.88 : 24,679.89 = 9,928.17 : x
2. Step 2: Convert to fraction form
   17,885.88/24,679.89 = 9,928.17/x
3. Step 3: Cross multiply
   17,885.88x = 24,679.89 × 9,928.17
4. Step 4: Simplify right side
   17,885.88x = 245,026,143.50
5. Step 5: Solve for x
   x = 245,026,143.50/17,885.88
6. Step 6: Final answer
   x = 13,699.42