Finding the Fourth Proportional to 6,156.52, 8,493.99 and 3,638.70

Step by Step Solution

1. Step 1: Write the proportion equation
   6,156.52 : 8,493.99 = 3,638.70 : x
2. Step 2: Convert to fraction form
   6,156.52/8,493.99 = 3,638.70/x
3. Step 3: Cross multiply
   6,156.52x = 8,493.99 × 3,638.70
4. Step 4: Simplify right side
   6,156.52x = 30,907,081.41
5. Step 5: Solve for x
   x = 30,907,081.41/6,156.52
6. Step 6: Final answer
   x = 5,020.22