Finding the Fourth Proportional to 2,328.50, 3,493.29 and 1,678.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,328.50 : 3,493.29 = 1,678.07 : x
2. Step 2: Convert to fraction form
   2,328.50/3,493.29 = 1,678.07/x
3. Step 3: Cross multiply
   2,328.50x = 3,493.29 × 1,678.07
4. Step 4: Simplify right side
   2,328.50x = 5,861,985.15
5. Step 5: Solve for x
   x = 5,861,985.15/2,328.50
6. Step 6: Final answer
   x = 2,517.49