Finding the Fourth Proportional to 3,123.30, 4,308.15 and 2,459.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.30 : 4,308.15 = 2,459.88 : x
2. Step 2: Convert to fraction form
   3,123.30/4,308.15 = 2,459.88/x
3. Step 3: Cross multiply
   3,123.30x = 4,308.15 × 2,459.88
4. Step 4: Simplify right side
   3,123.30x = 10,597,532.02
5. Step 5: Solve for x
   x = 10,597,532.02/3,123.30
6. Step 6: Final answer
   x = 3,393.06