Finding the Fourth Proportional to 5,404.68, 7,460.64 and 4,078.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.68 : 7,460.64 = 4,078.71 : x
2. Step 2: Convert to fraction form
   5,404.68/7,460.64 = 4,078.71/x
3. Step 3: Cross multiply
   5,404.68x = 7,460.64 × 4,078.71
4. Step 4: Simplify right side
   5,404.68x = 30,429,786.97
5. Step 5: Solve for x
   x = 30,429,786.97/5,404.68
6. Step 6: Final answer
   x = 5,630.27