Finding the Fourth Proportional to 3,498.47, 4,828.24 and 2,612.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.47 : 4,828.24 = 2,612.74 : x
2. Step 2: Convert to fraction form
   3,498.47/4,828.24 = 2,612.74/x
3. Step 3: Cross multiply
   3,498.47x = 4,828.24 × 2,612.74
4. Step 4: Simplify right side
   3,498.47x = 12,614,921.33
5. Step 5: Solve for x
   x = 12,614,921.33/3,498.47
6. Step 6: Final answer
   x = 3,605.83