Finding the Fourth Proportional to 2,920.72, 4,373.16 and 2,395.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,920.72 : 4,373.16 = 2,395.12 : x
2. Step 2: Convert to fraction form
   2,920.72/4,373.16 = 2,395.12/x
3. Step 3: Cross multiply
   2,920.72x = 4,373.16 × 2,395.12
4. Step 4: Simplify right side
   2,920.72x = 10,474,242.98
5. Step 5: Solve for x
   x = 10,474,242.98/2,920.72
6. Step 6: Final answer
   x = 3,586.19