Finding the Fourth Proportional to 2,599.83, 3,900.47 and 956.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.83 : 3,900.47 = 956.43 : x
2. Step 2: Convert to fraction form
   2,599.83/3,900.47 = 956.43/x
3. Step 3: Cross multiply
   2,599.83x = 3,900.47 × 956.43
4. Step 4: Simplify right side
   2,599.83x = 3,730,521.74
5. Step 5: Solve for x
   x = 3,730,521.74/2,599.83
6. Step 6: Final answer
   x = 1,434.91