Finding the Fourth Proportional to 4,641.52, 6,404.52 and 2,778.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,641.52 : 6,404.52 = 2,778.52 : x
2. Step 2: Convert to fraction form
   4,641.52/6,404.52 = 2,778.52/x
3. Step 3: Cross multiply
   4,641.52x = 6,404.52 × 2,778.52
4. Step 4: Simplify right side
   4,641.52x = 17,795,086.91
5. Step 5: Solve for x
   x = 17,795,086.91/4,641.52
6. Step 6: Final answer
   x = 3,833.89