Finding the Fourth Proportional to 2,602.02, 3,904.56 and 959.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,602.02 : 3,904.56 = 959.72 : x
2. Step 2: Convert to fraction form
   2,602.02/3,904.56 = 959.72/x
3. Step 3: Cross multiply
   2,602.02x = 3,904.56 × 959.72
4. Step 4: Simplify right side
   2,602.02x = 3,747,284.32
5. Step 5: Solve for x
   x = 3,747,284.32/2,602.02
6. Step 6: Final answer
   x = 1,440.14