Finding the Fourth Proportional to 5,106.72, 7,043.76 and 3,612

Step by Step Solution

1. Step 1: Write the proportion equation
   5,106.72 : 7,043.76 = 3,612 : x
2. Step 2: Convert to fraction form
   5,106.72/7,043.76 = 3,612/x
3. Step 3: Cross multiply
   5,106.72x = 7,043.76 × 3,612
4. Step 4: Simplify right side
   5,106.72x = 25,442,061.12
5. Step 5: Solve for x
   x = 25,442,061.12/5,106.72
6. Step 6: Final answer
   x = 4,982.07