Finding the Fourth Proportional to 1,650.90, 2,479.49 and 1,417.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.90 : 2,479.49 = 1,417.16 : x
2. Step 2: Convert to fraction form
   1,650.90/2,479.49 = 1,417.16/x
3. Step 3: Cross multiply
   1,650.90x = 2,479.49 × 1,417.16
4. Step 4: Simplify right side
   1,650.90x = 3,513,814.57
5. Step 5: Solve for x
   x = 3,513,814.57/1,650.90
6. Step 6: Final answer
   x = 2,128.42