Finding the Fourth Proportional to 3,758.52, 5,179.74 and 3,091.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,758.52 : 5,179.74 = 3,091.32 : x
2. Step 2: Convert to fraction form
   3,758.52/5,179.74 = 3,091.32/x
3. Step 3: Cross multiply
   3,758.52x = 5,179.74 × 3,091.32
4. Step 4: Simplify right side
   3,758.52x = 16,012,233.86
5. Step 5: Solve for x
   x = 16,012,233.86/3,758.52
6. Step 6: Final answer
   x = 4,260.25