Finding the Fourth Proportional to 9,171.50, 12,664.41 and 5,820.26

Step by Step Solution

1. Step 1: Write the proportion equation
   9,171.50 : 12,664.41 = 5,820.26 : x
2. Step 2: Convert to fraction form
   9,171.50/12,664.41 = 5,820.26/x
3. Step 3: Cross multiply
   9,171.50x = 12,664.41 × 5,820.26
4. Step 4: Simplify right side
   9,171.50x = 73,710,158.95
5. Step 5: Solve for x
   x = 73,710,158.95/9,171.50
6. Step 6: Final answer
   x = 8,036.87