Finding the Fourth Proportional to 2,146.32, 2,963.35 and 1,648.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146.32 : 2,963.35 = 1,648.07 : x
2. Step 2: Convert to fraction form
   2,146.32/2,963.35 = 1,648.07/x
3. Step 3: Cross multiply
   2,146.32x = 2,963.35 × 1,648.07
4. Step 4: Simplify right side
   2,146.32x = 4,883,796.71
5. Step 5: Solve for x
   x = 4,883,796.71/2,146.32
6. Step 6: Final answer
   x = 2,275.43