Finding the Fourth Proportional to 2,505.33, 3,757.39 and 945.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.33 : 3,757.39 = 945.47 : x
2. Step 2: Convert to fraction form
   2,505.33/3,757.39 = 945.47/x
3. Step 3: Cross multiply
   2,505.33x = 3,757.39 × 945.47
4. Step 4: Simplify right side
   2,505.33x = 3,552,506.55
5. Step 5: Solve for x
   x = 3,552,506.55/2,505.33
6. Step 6: Final answer
   x = 1,417.98