Finding the Fourth Proportional to 11,581.20, 17,370.18 and 3,789

Step by Step Solution

1. Step 1: Write the proportion equation
   11,581.20 : 17,370.18 = 3,789 : x
2. Step 2: Convert to fraction form
   11,581.20/17,370.18 = 3,789/x
3. Step 3: Cross multiply
   11,581.20x = 17,370.18 × 3,789
4. Step 4: Simplify right side
   11,581.20x = 65,815,612.02
5. Step 5: Solve for x
   x = 65,815,612.02/11,581.20
6. Step 6: Final answer
   x = 5,682.97