Finding the Fourth Proportional to 3,789.79, 5,681.03 and 2,398.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.79 : 5,681.03 = 2,398.88 : x
2. Step 2: Convert to fraction form
   3,789.79/5,681.03 = 2,398.88/x
3. Step 3: Cross multiply
   3,789.79x = 5,681.03 × 2,398.88
4. Step 4: Simplify right side
   3,789.79x = 13,628,109.25
5. Step 5: Solve for x
   x = 13,628,109.25/3,789.79
6. Step 6: Final answer
   x = 3,596.01