Finding the Fourth Proportional to 17,160.96, 23,682.30 and 10,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,160.96 : 23,682.30 = 10,087.50 : x
2. Step 2: Convert to fraction form
   17,160.96/23,682.30 = 10,087.50/x
3. Step 3: Cross multiply
   17,160.96x = 23,682.30 × 10,087.50
4. Step 4: Simplify right side
   17,160.96x = 238,895,201.25
5. Step 5: Solve for x
   x = 238,895,201.25/17,160.96
6. Step 6: Final answer
   x = 13,920.85