Finding the Fourth Proportional to 3,923.31, 5,416.71 and 2,432.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,923.31 : 5,416.71 = 2,432.81 : x
2. Step 2: Convert to fraction form
   3,923.31/5,416.71 = 2,432.81/x
3. Step 3: Cross multiply
   3,923.31x = 5,416.71 × 2,432.81
4. Step 4: Simplify right side
   3,923.31x = 13,177,830.67
5. Step 5: Solve for x
   x = 13,177,830.67/3,923.31
6. Step 6: Final answer
   x = 3,358.85