Finding the Fourth Proportional to 8,362.02, 12,547.89 and 3,168.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,362.02 : 12,547.89 = 3,168.30 : x
2. Step 2: Convert to fraction form
   8,362.02/12,547.89 = 3,168.30/x
3. Step 3: Cross multiply
   8,362.02x = 12,547.89 × 3,168.30
4. Step 4: Simplify right side
   8,362.02x = 39,755,479.89
5. Step 5: Solve for x
   x = 39,755,479.89/8,362.02
6. Step 6: Final answer
   x = 4,754.29