Finding the Fourth Proportional to 3,498.71, 5,247.98 and 1,418.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,498.71 : 5,247.98 = 1,418.15 : x
2. Step 2: Convert to fraction form
   3,498.71/5,247.98 = 1,418.15/x
3. Step 3: Cross multiply
   3,498.71x = 5,247.98 × 1,418.15
4. Step 4: Simplify right side
   3,498.71x = 7,442,430.20
5. Step 5: Solve for x
   x = 7,442,430.20/3,498.71
6. Step 6: Final answer
   x = 2,127.20