Finding the Fourth Proportional to 5,081.78, 7,615.10 and 3,002.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,081.78 : 7,615.10 = 3,002.24 : x
2. Step 2: Convert to fraction form
   5,081.78/7,615.10 = 3,002.24/x
3. Step 3: Cross multiply
   5,081.78x = 7,615.10 × 3,002.24
4. Step 4: Simplify right side
   5,081.78x = 22,862,327.25
5. Step 5: Solve for x
   x = 22,862,327.25/5,081.78
6. Step 6: Final answer
   x = 4,498.89