Finding the Fourth Proportional to 2,625.79, 3,937.83 and 959.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,625.79 : 3,937.83 = 959.53 : x
2. Step 2: Convert to fraction form
   2,625.79/3,937.83 = 959.53/x
3. Step 3: Cross multiply
   2,625.79x = 3,937.83 × 959.53
4. Step 4: Simplify right side
   2,625.79x = 3,778,475.86
5. Step 5: Solve for x
   x = 3,778,475.86/2,625.79
6. Step 6: Final answer
   x = 1,438.98