Finding the Fourth Proportional to 6,629.70, 9,944.52 and 3,156.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,629.70 : 9,944.52 = 3,156.42 : x
2. Step 2: Convert to fraction form
   6,629.70/9,944.52 = 3,156.42/x
3. Step 3: Cross multiply
   6,629.70x = 9,944.52 × 3,156.42
4. Step 4: Simplify right side
   6,629.70x = 31,389,081.82
5. Step 5: Solve for x
   x = 31,389,081.82/6,629.70
6. Step 6: Final answer
   x = 4,734.62