Finding the Fourth Proportional to 3,854.72, 5,316.96 and 2,459.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,854.72 : 5,316.96 = 2,459.20 : x
2. Step 2: Convert to fraction form
   3,854.72/5,316.96 = 2,459.20/x
3. Step 3: Cross multiply
   3,854.72x = 5,316.96 × 2,459.20
4. Step 4: Simplify right side
   3,854.72x = 13,075,468.03
5. Step 5: Solve for x
   x = 13,075,468.03/3,854.72
6. Step 6: Final answer
   x = 3,392.07