Finding the Fourth Proportional to 8,801.28, 12,144.96 and 5,074.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,801.28 : 12,144.96 = 5,074.56 : x
2. Step 2: Convert to fraction form
   8,801.28/12,144.96 = 5,074.56/x
3. Step 3: Cross multiply
   8,801.28x = 12,144.96 × 5,074.56
4. Step 4: Simplify right side
   8,801.28x = 61,630,328.22
5. Step 5: Solve for x
   x = 61,630,328.22/8,801.28
6. Step 6: Final answer
   x = 7,002.43