Finding the Fourth Proportional to 7,162.75, 9,885.27 and 4,178.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,162.75 : 9,885.27 = 4,178.04 : x
2. Step 2: Convert to fraction form
   7,162.75/9,885.27 = 4,178.04/x
3. Step 3: Cross multiply
   7,162.75x = 9,885.27 × 4,178.04
4. Step 4: Simplify right side
   7,162.75x = 41,301,053.47
5. Step 5: Solve for x
   x = 41,301,053.47/7,162.75
6. Step 6: Final answer
   x = 5,766.09