Finding the Fourth Proportional to 2,598.72, 3,897.96 and 955.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.72 : 3,897.96 = 955.15 : x
2. Step 2: Convert to fraction form
   2,598.72/3,897.96 = 955.15/x
3. Step 3: Cross multiply
   2,598.72x = 3,897.96 × 955.15
4. Step 4: Simplify right side
   2,598.72x = 3,723,128.54
5. Step 5: Solve for x
   x = 3,723,128.54/2,598.72
6. Step 6: Final answer
   x = 1,432.68