Finding the Fourth Proportional to 11,087.47, 15,300.71 and 7,556.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,087.47 : 15,300.71 = 7,556.85 : x
2. Step 2: Convert to fraction form
   11,087.47/15,300.71 = 7,556.85/x
3. Step 3: Cross multiply
   11,087.47x = 15,300.71 × 7,556.85
4. Step 4: Simplify right side
   11,087.47x = 115,625,113.22
5. Step 5: Solve for x
   x = 115,625,113.22/11,087.47
6. Step 6: Final answer
   x = 10,428.45