Finding the Fourth Proportional to 11,581.12, 17,367.72 and 3,788

Step by Step Solution

1. Step 1: Write the proportion equation
   11,581.12 : 17,367.72 = 3,788 : x
2. Step 2: Convert to fraction form
   11,581.12/17,367.72 = 3,788/x
3. Step 3: Cross multiply
   11,581.12x = 17,367.72 × 3,788
4. Step 4: Simplify right side
   11,581.12x = 65,788,923.36
5. Step 5: Solve for x
   x = 65,788,923.36/11,581.12
6. Step 6: Final answer
   x = 5,680.70