Finding the Fourth Proportional to 3,866.20, 5,333.72 and 2,373.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866.20 : 5,333.72 = 2,373.57 : x
2. Step 2: Convert to fraction form
   3,866.20/5,333.72 = 2,373.57/x
3. Step 3: Cross multiply
   3,866.20x = 5,333.72 × 2,373.57
4. Step 4: Simplify right side
   3,866.20x = 12,659,945.91
5. Step 5: Solve for x
   x = 12,659,945.91/3,866.20
6. Step 6: Final answer
   x = 3,274.52