Finding the Fourth Proportional to 5,131.24, 7,080.48 and 2,893.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.24 : 7,080.48 = 2,893.04 : x
2. Step 2: Convert to fraction form
   5,131.24/7,080.48 = 2,893.04/x
3. Step 3: Cross multiply
   5,131.24x = 7,080.48 × 2,893.04
4. Step 4: Simplify right side
   5,131.24x = 20,484,111.86
5. Step 5: Solve for x
   x = 20,484,111.86/5,131.24
6. Step 6: Final answer
   x = 3,992.04