Finding the Fourth Proportional to 3,400.47, 4,689.27 and 2,654.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,400.47 : 4,689.27 = 2,654.15 : x
2. Step 2: Convert to fraction form
   3,400.47/4,689.27 = 2,654.15/x
3. Step 3: Cross multiply
   3,400.47x = 4,689.27 × 2,654.15
4. Step 4: Simplify right side
   3,400.47x = 12,446,002.52
5. Step 5: Solve for x
   x = 12,446,002.52/3,400.47
6. Step 6: Final answer
   x = 3,660.08