Finding the Fourth Proportional to 2,459.48, 3,688.56 and 1,679.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,459.48 : 3,688.56 = 1,679.34 : x
2. Step 2: Convert to fraction form
   2,459.48/3,688.56 = 1,679.34/x
3. Step 3: Cross multiply
   2,459.48x = 3,688.56 × 1,679.34
4. Step 4: Simplify right side
   2,459.48x = 6,194,346.35
5. Step 5: Solve for x
   x = 6,194,346.35/2,459.48
6. Step 6: Final answer
   x = 2,518.56