Finding the Fourth Proportional to 2,447.59, 3,377.69 and 1,328.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.59 : 3,377.69 = 1,328.53 : x
2. Step 2: Convert to fraction form
   2,447.59/3,377.69 = 1,328.53/x
3. Step 3: Cross multiply
   2,447.59x = 3,377.69 × 1,328.53
4. Step 4: Simplify right side
   2,447.59x = 4,487,362.50
5. Step 5: Solve for x
   x = 4,487,362.50/2,447.59
6. Step 6: Final answer
   x = 1,833.38