Finding the Fourth Proportional to 3,972.32, 5,481.78 and 2,293.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,972.32 : 5,481.78 = 2,293.10 : x
2. Step 2: Convert to fraction form
   3,972.32/5,481.78 = 2,293.10/x
3. Step 3: Cross multiply
   3,972.32x = 5,481.78 × 2,293.10
4. Step 4: Simplify right side
   3,972.32x = 12,570,269.72
5. Step 5: Solve for x
   x = 12,570,269.72/3,972.32
6. Step 6: Final answer
   x = 3,164.47