Finding the Fourth Proportional to 33,185.94, 45,766.53 and 21,988.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,185.94 : 45,766.53 = 21,988.50 : x
2. Step 2: Convert to fraction form
   33,185.94/45,766.53 = 21,988.50/x
3. Step 3: Cross multiply
   33,185.94x = 45,766.53 × 21,988.50
4. Step 4: Simplify right side
   33,185.94x = 1,006,337,344.91
5. Step 5: Solve for x
   x = 1,006,337,344.91/33,185.94
6. Step 6: Final answer
   x = 30,324.21