Finding the Fourth Proportional to 12,695.19, 19,046.69 and 5,681.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,695.19 : 19,046.69 = 5,681.12 : x
2. Step 2: Convert to fraction form
   12,695.19/19,046.69 = 5,681.12/x
3. Step 3: Cross multiply
   12,695.19x = 19,046.69 × 5,681.12
4. Step 4: Simplify right side
   12,695.19x = 108,206,407.85
5. Step 5: Solve for x
   x = 108,206,407.85/12,695.19
6. Step 6: Final answer
   x = 8,523.42