Finding the Fourth Proportional to 4,056.72, 5,598.68 and 2,288.40

Step by Step Solution

1. Step 1: Write the proportion equation
   4,056.72 : 5,598.68 = 2,288.40 : x
2. Step 2: Convert to fraction form
   4,056.72/5,598.68 = 2,288.40/x
3. Step 3: Cross multiply
   4,056.72x = 5,598.68 × 2,288.40
4. Step 4: Simplify right side
   4,056.72x = 12,812,019.31
5. Step 5: Solve for x
   x = 12,812,019.31/4,056.72
6. Step 6: Final answer
   x = 3,158.22