Finding the Fourth Proportional to 5,418.56, 7,475.10 and 3,847.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,418.56 : 7,475.10 = 3,847.52 : x
2. Step 2: Convert to fraction form
   5,418.56/7,475.10 = 3,847.52/x
3. Step 3: Cross multiply
   5,418.56x = 7,475.10 × 3,847.52
4. Step 4: Simplify right side
   5,418.56x = 28,760,601.01
5. Step 5: Solve for x
   x = 28,760,601.01/5,418.56
6. Step 6: Final answer
   x = 5,307.79