Finding the Fourth Proportional to 10,131.24, 15,200.10 and 5,511

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.24 : 15,200.10 = 5,511 : x
2. Step 2: Convert to fraction form
   10,131.24/15,200.10 = 5,511/x
3. Step 3: Cross multiply
   10,131.24x = 15,200.10 × 5,511
4. Step 4: Simplify right side
   10,131.24x = 83,767,751.10
5. Step 5: Solve for x
   x = 83,767,751.10/10,131.24
6. Step 6: Final answer
   x = 8,268.26