Finding the Fourth Proportional to 11,087.62, 16,588.29 and 10,156.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,087.62 : 16,588.29 = 10,156.83 : x
2. Step 2: Convert to fraction form
   11,087.62/16,588.29 = 10,156.83/x
3. Step 3: Cross multiply
   11,087.62x = 16,588.29 × 10,156.83
4. Step 4: Simplify right side
   11,087.62x = 168,484,417.40
5. Step 5: Solve for x
   x = 168,484,417.40/11,087.62
6. Step 6: Final answer
   x = 15,195.73