Finding the Fourth Proportional to 6,669.72, 10,003.14 and 3,158.22

Step by Step Solution

1. Step 1: Write the proportion equation
   6,669.72 : 10,003.14 = 3,158.22 : x
2. Step 2: Convert to fraction form
   6,669.72/10,003.14 = 3,158.22/x
3. Step 3: Cross multiply
   6,669.72x = 10,003.14 × 3,158.22
4. Step 4: Simplify right side
   6,669.72x = 31,592,116.81
5. Step 5: Solve for x
   x = 31,592,116.81/6,669.72
6. Step 6: Final answer
   x = 4,736.65