Finding the Fourth Proportional to 11,847.32, 17,768.83 and 3,081.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,847.32 : 17,768.83 = 3,081.69 : x
2. Step 2: Convert to fraction form
   11,847.32/17,768.83 = 3,081.69/x
3. Step 3: Cross multiply
   11,847.32x = 17,768.83 × 3,081.69
4. Step 4: Simplify right side
   11,847.32x = 54,758,025.72
5. Step 5: Solve for x
   x = 54,758,025.72/11,847.32
6. Step 6: Final answer
   x = 4,621.98