Finding the Fourth Proportional to 4,088.88, 5,642.72 and 2,225.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,088.88 : 5,642.72 = 2,225.88 : x
2. Step 2: Convert to fraction form
   4,088.88/5,642.72 = 2,225.88/x
3. Step 3: Cross multiply
   4,088.88x = 5,642.72 × 2,225.88
4. Step 4: Simplify right side
   4,088.88x = 12,560,017.59
5. Step 5: Solve for x
   x = 12,560,017.59/4,088.88
6. Step 6: Final answer
   x = 3,071.75