Finding the Fourth Proportional to 3,723.83, 5,588.10 and 2,081.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,723.83 : 5,588.10 = 2,081.45 : x
2. Step 2: Convert to fraction form
   3,723.83/5,588.10 = 2,081.45/x
3. Step 3: Cross multiply
   3,723.83x = 5,588.10 × 2,081.45
4. Step 4: Simplify right side
   3,723.83x = 11,631,358.86
5. Step 5: Solve for x
   x = 11,631,358.86/3,723.83
6. Step 6: Final answer
   x = 3,123.49