Finding the Fourth Proportional to 17,156.92, 23,676.50 and 10,087.40

Step by Step Solution

1. Step 1: Write the proportion equation
   17,156.92 : 23,676.50 = 10,087.40 : x
2. Step 2: Convert to fraction form
   17,156.92/23,676.50 = 10,087.40/x
3. Step 3: Cross multiply
   17,156.92x = 23,676.50 × 10,087.40
4. Step 4: Simplify right side
   17,156.92x = 238,834,326.10
5. Step 5: Solve for x
   x = 238,834,326.10/17,156.92
6. Step 6: Final answer
   x = 13,920.58