Finding the Fourth Proportional to 8,714.59, 12,022.43 and 5,356.33

Step by Step Solution

1. Step 1: Write the proportion equation
   8,714.59 : 12,022.43 = 5,356.33 : x
2. Step 2: Convert to fraction form
   8,714.59/12,022.43 = 5,356.33/x
3. Step 3: Cross multiply
   8,714.59x = 12,022.43 × 5,356.33
4. Step 4: Simplify right side
   8,714.59x = 64,396,045.64
5. Step 5: Solve for x
   x = 64,396,045.64/8,714.59
6. Step 6: Final answer
   x = 7,389.45