Finding the Fourth Proportional to 2,602.28, 3,901.59 and 958.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.28 : 3,901.59 = 958.61 : x
2. Step 2: Convert to fraction form
   2,602.28/3,901.59 = 958.61/x
3. Step 3: Cross multiply
   2,602.28x = 3,901.59 × 958.61
4. Step 4: Simplify right side
   2,602.28x = 3,740,112.94
5. Step 5: Solve for x
   x = 3,740,112.94/2,602.28
6. Step 6: Final answer
   x = 1,437.25