Finding the Fourth Proportional to 11,500.62, 15,871.30 and 7,026.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,500.62 : 15,871.30 = 7,026.38 : x
2. Step 2: Convert to fraction form
   11,500.62/15,871.30 = 7,026.38/x
3. Step 3: Cross multiply
   11,500.62x = 15,871.30 × 7,026.38
4. Step 4: Simplify right side
   11,500.62x = 111,517,784.89
5. Step 5: Solve for x
   x = 111,517,784.89/11,500.62
6. Step 6: Final answer
   x = 9,696.68