Finding the Fourth Proportional to 17,086.56, 23,580.03 and 9,915.92

Step by Step Solution

1. Step 1: Write the proportion equation
   17,086.56 : 23,580.03 = 9,915.92 : x
2. Step 2: Convert to fraction form
   17,086.56/23,580.03 = 9,915.92/x
3. Step 3: Cross multiply
   17,086.56x = 23,580.03 × 9,915.92
4. Step 4: Simplify right side
   17,086.56x = 233,817,691.08
5. Step 5: Solve for x
   x = 233,817,691.08/17,086.56
6. Step 6: Final answer
   x = 13,684.30