Finding the Fourth Proportional to 4,994.05, 7,479.40 and 3,947.03

Step by Step Solution

1. Step 1: Write the proportion equation
   4,994.05 : 7,479.40 = 3,947.03 : x
2. Step 2: Convert to fraction form
   4,994.05/7,479.40 = 3,947.03/x
3. Step 3: Cross multiply
   4,994.05x = 7,479.40 × 3,947.03
4. Step 4: Simplify right side
   4,994.05x = 29,521,383.72
5. Step 5: Solve for x
   x = 29,521,383.72/4,994.05
6. Step 6: Final answer
   x = 5,911.31