Finding the Fourth Proportional to 17,885.40, 24,680.86 and 9,927.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,885.40 : 24,680.86 = 9,927.55 : x
2. Step 2: Convert to fraction form
   17,885.40/24,680.86 = 9,927.55/x
3. Step 3: Cross multiply
   17,885.40x = 24,680.86 × 9,927.55
4. Step 4: Simplify right side
   17,885.40x = 245,020,471.69
5. Step 5: Solve for x
   x = 245,020,471.69/17,885.40
6. Step 6: Final answer
   x = 13,699.47