Finding the Fourth Proportional to 23,892.63, 32,896.50 and 21,678.27

Step by Step Solution

1. Step 1: Write the proportion equation
   23,892.63 : 32,896.50 = 21,678.27 : x
2. Step 2: Convert to fraction form
   23,892.63/32,896.50 = 21,678.27/x
3. Step 3: Cross multiply
   23,892.63x = 32,896.50 × 21,678.27
4. Step 4: Simplify right side
   23,892.63x = 713,139,209.06
5. Step 5: Solve for x
   x = 713,139,209.06/23,892.63
6. Step 6: Final answer
   x = 29,847.66