Finding the Fourth Proportional to 5,371.72, 8,063.52 and 3,184.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,371.72 : 8,063.52 = 3,184.72 : x
2. Step 2: Convert to fraction form
   5,371.72/8,063.52 = 3,184.72/x
3. Step 3: Cross multiply
   5,371.72x = 8,063.52 × 3,184.72
4. Step 4: Simplify right side
   5,371.72x = 25,680,053.41
5. Step 5: Solve for x
   x = 25,680,053.41/5,371.72
6. Step 6: Final answer
   x = 4,780.60