Finding the Fourth Proportional to 2,328.48, 3,493.61 and 1,079.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,328.48 : 3,493.61 = 1,079.69 : x
2. Step 2: Convert to fraction form
   2,328.48/3,493.61 = 1,079.69/x
3. Step 3: Cross multiply
   2,328.48x = 3,493.61 × 1,079.69
4. Step 4: Simplify right side
   2,328.48x = 3,772,015.78
5. Step 5: Solve for x
   x = 3,772,015.78/2,328.48
6. Step 6: Final answer
   x = 1,619.95