Finding the Fourth Proportional to 2,598.96, 3,898.35 and 651.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,598.96 : 3,898.35 = 651.15 : x
2. Step 2: Convert to fraction form
   2,598.96/3,898.35 = 651.15/x
3. Step 3: Cross multiply
   2,598.96x = 3,898.35 × 651.15
4. Step 4: Simplify right side
   2,598.96x = 2,538,410.60
5. Step 5: Solve for x
   x = 2,538,410.60/2,598.96
6. Step 6: Final answer
   x = 976.70