Finding the Fourth Proportional to 21,857.42, 32,790.38 and 7,062.36

Step by Step Solution

1. Step 1: Write the proportion equation
   21,857.42 : 32,790.38 = 7,062.36 : x
2. Step 2: Convert to fraction form
   21,857.42/32,790.38 = 7,062.36/x
3. Step 3: Cross multiply
   21,857.42x = 32,790.38 × 7,062.36
4. Step 4: Simplify right side
   21,857.42x = 231,577,468.10
5. Step 5: Solve for x
   x = 231,577,468.10/21,857.42
6. Step 6: Final answer
   x = 10,594.91