Finding the Fourth Proportional to 2,073.62, 3,107.38 and 1,635.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.62 : 3,107.38 = 1,635.92 : x
2. Step 2: Convert to fraction form
   2,073.62/3,107.38 = 1,635.92/x
3. Step 3: Cross multiply
   2,073.62x = 3,107.38 × 1,635.92
4. Step 4: Simplify right side
   2,073.62x = 5,083,405.46
5. Step 5: Solve for x
   x = 5,083,405.46/2,073.62
6. Step 6: Final answer
   x = 2,451.47