Finding the Fourth Proportional to 2,505.87, 3,758.06 and 945.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,505.87 : 3,758.06 = 945.34 : x
2. Step 2: Convert to fraction form
   2,505.87/3,758.06 = 945.34/x
3. Step 3: Cross multiply
   2,505.87x = 3,758.06 × 945.34
4. Step 4: Simplify right side
   2,505.87x = 3,552,637.41
5. Step 5: Solve for x
   x = 3,552,637.41/2,505.87
6. Step 6: Final answer
   x = 1,417.73