Finding the Fourth Proportional to 8,023.57, 12,038.57 and 3,091.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,023.57 : 12,038.57 = 3,091.89 : x
2. Step 2: Convert to fraction form
   8,023.57/12,038.57 = 3,091.89/x
3. Step 3: Cross multiply
   8,023.57x = 12,038.57 × 3,091.89
4. Step 4: Simplify right side
   8,023.57x = 37,221,934.20
5. Step 5: Solve for x
   x = 37,221,934.20/8,023.57
6. Step 6: Final answer
   x = 4,639.07