Finding the Fourth Proportional to 2,293.40, 3,435.42 and 1,642.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.40 : 3,435.42 = 1,642.52 : x
2. Step 2: Convert to fraction form
   2,293.40/3,435.42 = 1,642.52/x
3. Step 3: Cross multiply
   2,293.40x = 3,435.42 × 1,642.52
4. Step 4: Simplify right side
   2,293.40x = 5,642,746.06
5. Step 5: Solve for x
   x = 5,642,746.06/2,293.40
6. Step 6: Final answer
   x = 2,460.43