Finding the Fourth Proportional to 8,821.54, 12,167.31 and 5,839.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,821.54 : 12,167.31 = 5,839.93 : x
2. Step 2: Convert to fraction form
   8,821.54/12,167.31 = 5,839.93/x
3. Step 3: Cross multiply
   8,821.54x = 12,167.31 × 5,839.93
4. Step 4: Simplify right side
   8,821.54x = 71,056,238.69
5. Step 5: Solve for x
   x = 71,056,238.69/8,821.54
6. Step 6: Final answer
   x = 8,054.86