Finding the Fourth Proportional to 3,723.99, 5,588.33 and 2,081.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,723.99 : 5,588.33 = 2,081.61 : x
2. Step 2: Convert to fraction form
   3,723.99/5,588.33 = 2,081.61/x
3. Step 3: Cross multiply
   3,723.99x = 5,588.33 × 2,081.61
4. Step 4: Simplify right side
   3,723.99x = 11,632,719.23
5. Step 5: Solve for x
   x = 11,632,719.23/3,723.99
6. Step 6: Final answer
   x = 3,123.73