Finding the Fourth Proportional to 2,280.86, 3,422.20 and 1,049.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.86 : 3,422.20 = 1,049.00 : x
2. Step 2: Convert to fraction form
   2,280.86/3,422.20 = 1,049.00/x
3. Step 3: Cross multiply
   2,280.86x = 3,422.20 × 1,049.00
4. Step 4: Simplify right side
   2,280.86x = 3,589,889.28
5. Step 5: Solve for x
   x = 3,589,889.28/2,280.86
6. Step 6: Final answer
   x = 1,573.92