Finding the Fourth Proportional to 2,280.72, 3,422.64 and 894.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,280.72 : 3,422.64 = 894.06 : x
2. Step 2: Convert to fraction form
   2,280.72/3,422.64 = 894.06/x
3. Step 3: Cross multiply
   2,280.72x = 3,422.64 × 894.06
4. Step 4: Simplify right side
   2,280.72x = 3,060,045.52
5. Step 5: Solve for x
   x = 3,060,045.52/2,280.72
6. Step 6: Final answer
   x = 1,341.70