Finding the Fourth Proportional to 2,479.52, 3,713.52 and 2,090.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479.52 : 3,713.52 = 2,090.72 : x
2. Step 2: Convert to fraction form
   2,479.52/3,713.52 = 2,090.72/x
3. Step 3: Cross multiply
   2,479.52x = 3,713.52 × 2,090.72
4. Step 4: Simplify right side
   2,479.52x = 7,763,930.53
5. Step 5: Solve for x
   x = 7,763,930.53/2,479.52
6. Step 6: Final answer
   x = 3,131.22