Finding the Fourth Proportional to 33,223.47, 45,847.72 and 18,116.21

Step by Step Solution

1. Step 1: Write the proportion equation
   33,223.47 : 45,847.72 = 18,116.21 : x
2. Step 2: Convert to fraction form
   33,223.47/45,847.72 = 18,116.21/x
3. Step 3: Cross multiply
   33,223.47x = 45,847.72 × 18,116.21
4. Step 4: Simplify right side
   33,223.47x = 830,586,802.91
5. Step 5: Solve for x
   x = 830,586,802.91/33,223.47
6. Step 6: Final answer
   x = 25,000.00