Finding the Fourth Proportional to 2,598.56, 3,898.80 and 956.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.56 : 3,898.80 = 956.18 : x
2. Step 2: Convert to fraction form
   2,598.56/3,898.80 = 956.18/x
3. Step 3: Cross multiply
   2,598.56x = 3,898.80 × 956.18
4. Step 4: Simplify right side
   2,598.56x = 3,727,954.58
5. Step 5: Solve for x
   x = 3,727,954.58/2,598.56
6. Step 6: Final answer
   x = 1,434.62