Finding the Fourth Proportional to 4,872.20, 7,308.72 and 1,754.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,872.20 : 7,308.72 = 1,754.10 : x
2. Step 2: Convert to fraction form
   4,872.20/7,308.72 = 1,754.10/x
3. Step 3: Cross multiply
   4,872.20x = 7,308.72 × 1,754.10
4. Step 4: Simplify right side
   4,872.20x = 12,820,225.75
5. Step 5: Solve for x
   x = 12,820,225.75/4,872.20
6. Step 6: Final answer
   x = 2,631.30