Finding the Fourth Proportional to 2,040.88, 3,059.28 and 807.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.88 : 3,059.28 = 807.62 : x
2. Step 2: Convert to fraction form
   2,040.88/3,059.28 = 807.62/x
3. Step 3: Cross multiply
   2,040.88x = 3,059.28 × 807.62
4. Step 4: Simplify right side
   2,040.88x = 2,470,735.71
5. Step 5: Solve for x
   x = 2,470,735.71/2,040.88
6. Step 6: Final answer
   x = 1,210.62