Finding the Fourth Proportional to 17,167.28, 23,680.50 and 10,087.88

Step by Step Solution

1. Step 1: Write the proportion equation
   17,167.28 : 23,680.50 = 10,087.88 : x
2. Step 2: Convert to fraction form
   17,167.28/23,680.50 = 10,087.88/x
3. Step 3: Cross multiply
   17,167.28x = 23,680.50 × 10,087.88
4. Step 4: Simplify right side
   17,167.28x = 238,886,042.34
5. Step 5: Solve for x
   x = 238,886,042.34/17,167.28
6. Step 6: Final answer
   x = 13,915.19