Finding the Fourth Proportional to 2,599.01, 3,900.06 and 956.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.01 : 3,900.06 = 956.71 : x
2. Step 2: Convert to fraction form
   2,599.01/3,900.06 = 956.71/x
3. Step 3: Cross multiply
   2,599.01x = 3,900.06 × 956.71
4. Step 4: Simplify right side
   2,599.01x = 3,731,232.62
5. Step 5: Solve for x
   x = 3,731,232.62/2,599.01
6. Step 6: Final answer
   x = 1,435.64