Finding the Fourth Proportional to 21,693.81, 32,545.50 and 9,224.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,693.81 : 32,545.50 = 9,224.52 : x
2. Step 2: Convert to fraction form
   21,693.81/32,545.50 = 9,224.52/x
3. Step 3: Cross multiply
   21,693.81x = 32,545.50 × 9,224.52
4. Step 4: Simplify right side
   21,693.81x = 300,216,459.02
5. Step 5: Solve for x
   x = 300,216,459.02/21,693.81
6. Step 6: Final answer
   x = 13,838.81