Finding the Fourth Proportional to 11,087.47, 15,302.82 and 7,108.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,087.47 : 15,302.82 = 7,108.48 : x
2. Step 2: Convert to fraction form
   11,087.47/15,302.82 = 7,108.48/x
3. Step 3: Cross multiply
   11,087.47x = 15,302.82 × 7,108.48
4. Step 4: Simplify right side
   11,087.47x = 108,779,789.91
5. Step 5: Solve for x
   x = 108,779,789.91/11,087.47
6. Step 6: Final answer
   x = 9,811.06