Finding the Fourth Proportional to 21,922.55, 32,884.12 and 7,131.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,922.55 : 32,884.12 = 7,131.54 : x
2. Step 2: Convert to fraction form
   21,922.55/32,884.12 = 7,131.54/x
3. Step 3: Cross multiply
   21,922.55x = 32,884.12 × 7,131.54
4. Step 4: Simplify right side
   21,922.55x = 234,514,417.14
5. Step 5: Solve for x
   x = 234,514,417.14/21,922.55
6. Step 6: Final answer
   x = 10,697.41