Finding the Fourth Proportional to 2,602.65, 3,901.61 and 958.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.65 : 3,901.61 = 958.05 : x
2. Step 2: Convert to fraction form
   2,602.65/3,901.61 = 958.05/x
3. Step 3: Cross multiply
   2,602.65x = 3,901.61 × 958.05
4. Step 4: Simplify right side
   2,602.65x = 3,737,932.67
5. Step 5: Solve for x
   x = 3,737,932.67/2,602.65
6. Step 6: Final answer
   x = 1,436.20