Finding the Fourth Proportional to 2,199.20, 3,032.17 and 1,778.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.20 : 3,032.17 = 1,778.00 : x
2. Step 2: Convert to fraction form
   2,199.20/3,032.17 = 1,778.00/x
3. Step 3: Cross multiply
   2,199.20x = 3,032.17 × 1,778.00
4. Step 4: Simplify right side
   2,199.20x = 5,391,178.65
5. Step 5: Solve for x
   x = 5,391,178.65/2,199.20
6. Step 6: Final answer
   x = 2,451.43