Finding the Fourth Proportional to 4,973.12, 7,452.42 and 4,426.40

Step by Step Solution

1. Step 1: Write the proportion equation
   4,973.12 : 7,452.42 = 4,426.40 : x
2. Step 2: Convert to fraction form
   4,973.12/7,452.42 = 4,426.40/x
3. Step 3: Cross multiply
   4,973.12x = 7,452.42 × 4,426.40
4. Step 4: Simplify right side
   4,973.12x = 32,987,391.89
5. Step 5: Solve for x
   x = 32,987,391.89/4,973.12
6. Step 6: Final answer
   x = 6,633.14