Finding the Fourth Proportional to 4,047.50, 5,585.33 and 2,279.22

Step by Step Solution

1. Step 1: Write the proportion equation
   4,047.50 : 5,585.33 = 2,279.22 : x
2. Step 2: Convert to fraction form
   4,047.50/5,585.33 = 2,279.22/x
3. Step 3: Cross multiply
   4,047.50x = 5,585.33 × 2,279.22
4. Step 4: Simplify right side
   4,047.50x = 12,730,184.45
5. Step 5: Solve for x
   x = 12,730,184.45/4,047.50
6. Step 6: Final answer
   x = 3,145.20