Finding the Fourth Proportional to 3,061.54, 4,592.35 and 870.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.54 : 4,592.35 = 870.27 : x
2. Step 2: Convert to fraction form
   3,061.54/4,592.35 = 870.27/x
3. Step 3: Cross multiply
   3,061.54x = 4,592.35 × 870.27
4. Step 4: Simplify right side
   3,061.54x = 3,996,584.43
5. Step 5: Solve for x
   x = 3,996,584.43/3,061.54
6. Step 6: Final answer
   x = 1,305.42