Finding the Fourth Proportional to 23,908.82, 32,974.52 and 21,222

Step by Step Solution

1. Step 1: Write the proportion equation
   23,908.82 : 32,974.52 = 21,222 : x
2. Step 2: Convert to fraction form
   23,908.82/32,974.52 = 21,222/x
3. Step 3: Cross multiply
   23,908.82x = 32,974.52 × 21,222
4. Step 4: Simplify right side
   23,908.82x = 699,785,316.50
5. Step 5: Solve for x
   x = 699,785,316.50/23,908.82
6. Step 6: Final answer
   x = 29,268.93