Finding the Fourth Proportional to 5,422.72, 7,482.72 and 3,064.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,422.72 : 7,482.72 = 3,064.72 : x
2. Step 2: Convert to fraction form
   5,422.72/7,482.72 = 3,064.72/x
3. Step 3: Cross multiply
   5,422.72x = 7,482.72 × 3,064.72
4. Step 4: Simplify right side
   5,422.72x = 22,932,441.64
5. Step 5: Solve for x
   x = 22,932,441.64/5,422.72
6. Step 6: Final answer
   x = 4,228.96