Finding the Fourth Proportional to 8,810.88, 12,158.81 and 5,667.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,810.88 : 12,158.81 = 5,667.06 : x
2. Step 2: Convert to fraction form
   8,810.88/12,158.81 = 5,667.06/x
3. Step 3: Cross multiply
   8,810.88x = 12,158.81 × 5,667.06
4. Step 4: Simplify right side
   8,810.88x = 68,904,744.31
5. Step 5: Solve for x
   x = 68,904,744.31/8,810.88
6. Step 6: Final answer
   x = 7,820.42