Finding the Fourth Proportional to 2,227.62, 3,054.16 and 2,188.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,227.62 : 3,054.16 = 2,188.10 : x
2. Step 2: Convert to fraction form
   2,227.62/3,054.16 = 2,188.10/x
3. Step 3: Cross multiply
   2,227.62x = 3,054.16 × 2,188.10
4. Step 4: Simplify right side
   2,227.62x = 6,682,807.50
5. Step 5: Solve for x
   x = 6,682,807.50/2,227.62
6. Step 6: Final answer
   x = 2,999.98