Finding the Fourth Proportional to 21,977.10, 32,942.39 and 7,182.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,977.10 : 32,942.39 = 7,182.05 : x
2. Step 2: Convert to fraction form
   21,977.10/32,942.39 = 7,182.05/x
3. Step 3: Cross multiply
   21,977.10x = 32,942.39 × 7,182.05
4. Step 4: Simplify right side
   21,977.10x = 236,593,691.48
5. Step 5: Solve for x
   x = 236,593,691.48/21,977.10
6. Step 6: Final answer
   x = 10,765.46