Finding the Fourth Proportional to 2,469.17, 3,407.31 and 1,407.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,469.17 : 3,407.31 = 1,407.06 : x
2. Step 2: Convert to fraction form
   2,469.17/3,407.31 = 1,407.06/x
3. Step 3: Cross multiply
   2,469.17x = 3,407.31 × 1,407.06
4. Step 4: Simplify right side
   2,469.17x = 4,794,289.61
5. Step 5: Solve for x
   x = 4,794,289.61/2,469.17
6. Step 6: Final answer
   x = 1,941.66