Finding the Fourth Proportional to 5,404.02, 7,458.78 and 4,518.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.02 : 7,458.78 = 4,518.28 : x
2. Step 2: Convert to fraction form
   5,404.02/7,458.78 = 4,518.28/x
3. Step 3: Cross multiply
   5,404.02x = 7,458.78 × 4,518.28
4. Step 4: Simplify right side
   5,404.02x = 33,700,856.50
5. Step 5: Solve for x
   x = 33,700,856.50/5,404.02
6. Step 6: Final answer
   x = 6,236.26