Finding the Fourth Proportional to 2,631.32, 3,948.20 and 2,600.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631.32 : 3,948.20 = 2,600.96 : x
2. Step 2: Convert to fraction form
   2,631.32/3,948.20 = 2,600.96/x
3. Step 3: Cross multiply
   2,631.32x = 3,948.20 × 2,600.96
4. Step 4: Simplify right side
   2,631.32x = 10,269,110.27
5. Step 5: Solve for x
   x = 10,269,110.27/2,631.32
6. Step 6: Final answer
   x = 3,902.65