Finding the Fourth Proportional to 6,156.02, 8,493.30 and 3,638.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,156.02 : 8,493.30 = 3,638.21 : x
2. Step 2: Convert to fraction form
   6,156.02/8,493.30 = 3,638.21/x
3. Step 3: Cross multiply
   6,156.02x = 8,493.30 × 3,638.21
4. Step 4: Simplify right side
   6,156.02x = 30,900,366.53
5. Step 5: Solve for x
   x = 30,900,366.53/6,156.02
6. Step 6: Final answer
   x = 5,019.54