Finding the Fourth Proportional to 8,061.07, 12,089.17 and 2,866.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.07 : 12,089.17 = 2,866.63 : x
2. Step 2: Convert to fraction form
   8,061.07/12,089.17 = 2,866.63/x
3. Step 3: Cross multiply
   8,061.07x = 12,089.17 × 2,866.63
4. Step 4: Simplify right side
   8,061.07x = 34,655,109.78
5. Step 5: Solve for x
   x = 34,655,109.78/8,061.07
6. Step 6: Final answer
   x = 4,299.07