Finding the Fourth Proportional to 7,181.78, 9,910.82 and 4,197.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,181.78 : 9,910.82 = 4,197.02 : x
2. Step 2: Convert to fraction form
   7,181.78/9,910.82 = 4,197.02/x
3. Step 3: Cross multiply
   7,181.78x = 9,910.82 × 4,197.02
4. Step 4: Simplify right side
   7,181.78x = 41,595,870.69
5. Step 5: Solve for x
   x = 41,595,870.69/7,181.78
6. Step 6: Final answer
   x = 5,791.86