Finding the Fourth Proportional to 21,854.96, 32,787.23 and 7,065.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,854.96 : 32,787.23 = 7,065.38 : x
2. Step 2: Convert to fraction form
   21,854.96/32,787.23 = 7,065.38/x
3. Step 3: Cross multiply
   21,854.96x = 32,787.23 × 7,065.38
4. Step 4: Simplify right side
   21,854.96x = 231,654,141.05
5. Step 5: Solve for x
   x = 231,654,141.05/21,854.96
6. Step 6: Final answer
   x = 10,599.61