Finding the Fourth Proportional to 8,023.28, 12,036.96 and 3,091.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,023.28 : 12,036.96 = 3,091.59 : x
2. Step 2: Convert to fraction form
   8,023.28/12,036.96 = 3,091.59/x
3. Step 3: Cross multiply
   8,023.28x = 12,036.96 × 3,091.59
4. Step 4: Simplify right side
   8,023.28x = 37,213,345.17
5. Step 5: Solve for x
   x = 37,213,345.17/8,023.28
6. Step 6: Final answer
   x = 4,638.17