Finding the Fourth Proportional to 4,806.56, 7,200.50 and 3,158.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,806.56 : 7,200.50 = 3,158.10 : x
2. Step 2: Convert to fraction form
   4,806.56/7,200.50 = 3,158.10/x
3. Step 3: Cross multiply
   4,806.56x = 7,200.50 × 3,158.10
4. Step 4: Simplify right side
   4,806.56x = 22,739,899.05
5. Step 5: Solve for x
   x = 22,739,899.05/4,806.56
6. Step 6: Final answer
   x = 4,731.01