Finding the Fourth Proportional to 21,977.40, 32,942.86 and 7,182.35

Step by Step Solution

1. Step 1: Write the proportion equation
   21,977.40 : 32,942.86 = 7,182.35 : x
2. Step 2: Convert to fraction form
   21,977.40/32,942.86 = 7,182.35/x
3. Step 3: Cross multiply
   21,977.40x = 32,942.86 × 7,182.35
4. Step 4: Simplify right side
   21,977.40x = 236,607,150.52
5. Step 5: Solve for x
   x = 236,607,150.52/21,977.40
6. Step 6: Final answer
   x = 10,765.93