Finding the Fourth Proportional to 6,994.27, 9,651.01 and 4,478.61

Step by Step Solution

1. Step 1: Write the proportion equation
   6,994.27 : 9,651.01 = 4,478.61 : x
2. Step 2: Convert to fraction form
   6,994.27/9,651.01 = 4,478.61/x
3. Step 3: Cross multiply
   6,994.27x = 9,651.01 × 4,478.61
4. Step 4: Simplify right side
   6,994.27x = 43,223,109.90
5. Step 5: Solve for x
   x = 43,223,109.90/6,994.27
6. Step 6: Final answer
   x = 6,179.79