Finding the Fourth Proportional to 11,091.83, 15,298.07 and 7,113.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.83 : 15,298.07 = 7,113.24 : x
2. Step 2: Convert to fraction form
   11,091.83/15,298.07 = 7,113.24/x
3. Step 3: Cross multiply
   11,091.83x = 15,298.07 × 7,113.24
4. Step 4: Simplify right side
   11,091.83x = 108,818,807.88
5. Step 5: Solve for x
   x = 108,818,807.88/11,091.83
6. Step 6: Final answer
   x = 9,810.72