Finding the Fourth Proportional to 2,776.32, 4,158.72 and 2,225.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776.32 : 4,158.72 = 2,225.52 : x
2. Step 2: Convert to fraction form
   2,776.32/4,158.72 = 2,225.52/x
3. Step 3: Cross multiply
   2,776.32x = 4,158.72 × 2,225.52
4. Step 4: Simplify right side
   2,776.32x = 9,255,314.53
5. Step 5: Solve for x
   x = 9,255,314.53/2,776.32
6. Step 6: Final answer
   x = 3,333.66