Finding the Fourth Proportional to 2,457.10, 3,679.72 and 1,531.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.10 : 3,679.72 = 1,531.50 : x
2. Step 2: Convert to fraction form
   2,457.10/3,679.72 = 1,531.50/x
3. Step 3: Cross multiply
   2,457.10x = 3,679.72 × 1,531.50
4. Step 4: Simplify right side
   2,457.10x = 5,635,473.55
5. Step 5: Solve for x
   x = 5,635,473.55/2,457.10
6. Step 6: Final answer
   x = 2,293.55