Finding the Fourth Proportional to 11,139.24, 16,699.61 and 5,871.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,139.24 : 16,699.61 = 5,871.31 : x
2. Step 2: Convert to fraction form
   11,139.24/16,699.61 = 5,871.31/x
3. Step 3: Cross multiply
   11,139.24x = 16,699.61 × 5,871.31
4. Step 4: Simplify right side
   11,139.24x = 98,048,474.33
5. Step 5: Solve for x
   x = 98,048,474.33/11,139.24
6. Step 6: Final answer
   x = 8,802.08