Finding the Fourth Proportional to 21,667.50, 32,513.40 and 21,502.26

Step by Step Solution

1. Step 1: Write the proportion equation
   21,667.50 : 32,513.40 = 21,502.26 : x
2. Step 2: Convert to fraction form
   21,667.50/32,513.40 = 21,502.26/x
3. Step 3: Cross multiply
   21,667.50x = 32,513.40 × 21,502.26
4. Step 4: Simplify right side
   21,667.50x = 699,111,580.28
5. Step 5: Solve for x
   x = 699,111,580.28/21,667.50
6. Step 6: Final answer
   x = 32,265.45