Finding the Fourth Proportional to 4,056.78, 5,598.69 and 2,288.55

Step by Step Solution

1. Step 1: Write the proportion equation
   4,056.78 : 5,598.69 = 2,288.55 : x
2. Step 2: Convert to fraction form
   4,056.78/5,598.69 = 2,288.55/x
3. Step 3: Cross multiply
   4,056.78x = 5,598.69 × 2,288.55
4. Step 4: Simplify right side
   4,056.78x = 12,812,882.00
5. Step 5: Solve for x
   x = 12,812,882.00/4,056.78
6. Step 6: Final answer
   x = 3,158.39