Finding the Fourth Proportional to 2,040.26, 3,061.55 and 870.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.26 : 3,061.55 = 870.14 : x
2. Step 2: Convert to fraction form
   2,040.26/3,061.55 = 870.14/x
3. Step 3: Cross multiply
   2,040.26x = 3,061.55 × 870.14
4. Step 4: Simplify right side
   2,040.26x = 2,663,957.46
5. Step 5: Solve for x
   x = 2,663,957.46/2,040.26
6. Step 6: Final answer
   x = 1,305.70