Finding the Fourth Proportional to 2,597.78, 3,898.37 and 954.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.78 : 3,898.37 = 954.34 : x
2. Step 2: Convert to fraction form
   2,597.78/3,898.37 = 954.34/x
3. Step 3: Cross multiply
   2,597.78x = 3,898.37 × 954.34
4. Step 4: Simplify right side
   2,597.78x = 3,720,346.16
5. Step 5: Solve for x
   x = 3,720,346.16/2,597.78
6. Step 6: Final answer
   x = 1,432.13