Finding the Fourth Proportional to 2,294.71, 3,434.76 and 1,642.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,294.71 : 3,434.76 = 1,642.25 : x
2. Step 2: Convert to fraction form
   2,294.71/3,434.76 = 1,642.25/x
3. Step 3: Cross multiply
   2,294.71x = 3,434.76 × 1,642.25
4. Step 4: Simplify right side
   2,294.71x = 5,640,734.61
5. Step 5: Solve for x
   x = 5,640,734.61/2,294.71
6. Step 6: Final answer
   x = 2,458.15