Finding the Fourth Proportional to 4,068.22, 5,613.72 and 2,275.60

Step by Step Solution

1. Step 1: Write the proportion equation
   4,068.22 : 5,613.72 = 2,275.60 : x
2. Step 2: Convert to fraction form
   4,068.22/5,613.72 = 2,275.60/x
3. Step 3: Cross multiply
   4,068.22x = 5,613.72 × 2,275.60
4. Step 4: Simplify right side
   4,068.22x = 12,774,581.23
5. Step 5: Solve for x
   x = 12,774,581.23/4,068.22
6. Step 6: Final answer
   x = 3,140.09