Finding the Fourth Proportional to 5,127.98, 7,074.72 and 3,933.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,127.98 : 7,074.72 = 3,933.18 : x
2. Step 2: Convert to fraction form
   5,127.98/7,074.72 = 3,933.18/x
3. Step 3: Cross multiply
   5,127.98x = 7,074.72 × 3,933.18
4. Step 4: Simplify right side
   5,127.98x = 27,826,156.05
5. Step 5: Solve for x
   x = 27,826,156.05/5,127.98
6. Step 6: Final answer
   x = 5,426.34