Finding the Fourth Proportional to 3,793.32, 5,686.51 and 3,212.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,793.32 : 5,686.51 = 3,212.06 : x
2. Step 2: Convert to fraction form
   3,793.32/5,686.51 = 3,212.06/x
3. Step 3: Cross multiply
   3,793.32x = 5,686.51 × 3,212.06
4. Step 4: Simplify right side
   3,793.32x = 18,265,411.31
5. Step 5: Solve for x
   x = 18,265,411.31/3,793.32
6. Step 6: Final answer
   x = 4,815.15