Finding the Fourth Proportional to 4,270.18, 6,404.72 and 1,348.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,270.18 : 6,404.72 = 1,348.78 : x
2. Step 2: Convert to fraction form
   4,270.18/6,404.72 = 1,348.78/x
3. Step 3: Cross multiply
   4,270.18x = 6,404.72 × 1,348.78
4. Step 4: Simplify right side
   4,270.18x = 8,638,529.59
5. Step 5: Solve for x
   x = 8,638,529.59/4,270.18
6. Step 6: Final answer
   x = 2,022.99