Finding the Fourth Proportional to 21,658.38, 32,500.53 and 19,895.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,658.38 : 32,500.53 = 19,895.82 : x
2. Step 2: Convert to fraction form
   21,658.38/32,500.53 = 19,895.82/x
3. Step 3: Cross multiply
   21,658.38x = 32,500.53 × 19,895.82
4. Step 4: Simplify right side
   21,658.38x = 646,624,694.78
5. Step 5: Solve for x
   x = 646,624,694.78/21,658.38
6. Step 6: Final answer
   x = 29,855.64