Finding the Fourth Proportional to 12,707.28, 19,064.82 and 5,693.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,707.28 : 19,064.82 = 5,693.22 : x
2. Step 2: Convert to fraction form
   12,707.28/19,064.82 = 5,693.22/x
3. Step 3: Cross multiply
   12,707.28x = 19,064.82 × 5,693.22
4. Step 4: Simplify right side
   12,707.28x = 108,540,214.52
5. Step 5: Solve for x
   x = 108,540,214.52/12,707.28
6. Step 6: Final answer
   x = 8,541.58