Finding the Fourth Proportional to 1,650.88, 2,465 and 1,407.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,650.88 : 2,465 = 1,407.28 : x
2. Step 2: Convert to fraction form
   1,650.88/2,465 = 1,407.28/x
3. Step 3: Cross multiply
   1,650.88x = 2,465 × 1,407.28
4. Step 4: Simplify right side
   1,650.88x = 3,468,945.20
5. Step 5: Solve for x
   x = 3,468,945.20/1,650.88
6. Step 6: Final answer
   x = 2,101.27