Finding the Fourth Proportional to 11,109.48, 15,336.45 and 7,591.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,109.48 : 15,336.45 = 7,591.02 : x
2. Step 2: Convert to fraction form
   11,109.48/15,336.45 = 7,591.02/x
3. Step 3: Cross multiply
   11,109.48x = 15,336.45 × 7,591.02
4. Step 4: Simplify right side
   11,109.48x = 116,419,298.68
5. Step 5: Solve for x
   x = 116,419,298.68/11,109.48
6. Step 6: Final answer
   x = 10,479.28