Finding the Fourth Proportional to 2,325.15, 3,208.71 and 1,330.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,325.15 : 3,208.71 = 1,330.47 : x
2. Step 2: Convert to fraction form
   2,325.15/3,208.71 = 1,330.47/x
3. Step 3: Cross multiply
   2,325.15x = 3,208.71 × 1,330.47
4. Step 4: Simplify right side
   2,325.15x = 4,269,076.35
5. Step 5: Solve for x
   x = 4,269,076.35/2,325.15
6. Step 6: Final answer
   x = 1,836.05