Finding the Fourth Proportional to 33,113.33, 49,555.42 and 20,457.89

Step by Step Solution

1. Step 1: Write the proportion equation
   33,113.33 : 49,555.42 = 20,457.89 : x
2. Step 2: Convert to fraction form
   33,113.33/49,555.42 = 20,457.89/x
3. Step 3: Cross multiply
   33,113.33x = 49,555.42 × 20,457.89
4. Step 4: Simplify right side
   33,113.33x = 1,013,799,032.34
5. Step 5: Solve for x
   x = 1,013,799,032.34/33,113.33
6. Step 6: Final answer
   x = 30,616.04