Finding the Fourth Proportional to 3,789.28, 5,680.06 and 2,399.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.28 : 5,680.06 = 2,399.93 : x
2. Step 2: Convert to fraction form
   3,789.28/5,680.06 = 2,399.93/x
3. Step 3: Cross multiply
   3,789.28x = 5,680.06 × 2,399.93
4. Step 4: Simplify right side
   3,789.28x = 13,631,733.30
5. Step 5: Solve for x
   x = 13,631,733.30/3,789.28
6. Step 6: Final answer
   x = 3,597.45