Finding the Fourth Proportional to 33,128.76, 49,705.29 and 15,367.89

Step by Step Solution

1. Step 1: Write the proportion equation
   33,128.76 : 49,705.29 = 15,367.89 : x
2. Step 2: Convert to fraction form
   33,128.76/49,705.29 = 15,367.89/x
3. Step 3: Cross multiply
   33,128.76x = 49,705.29 × 15,367.89
4. Step 4: Simplify right side
   33,128.76x = 763,865,429.14
5. Step 5: Solve for x
   x = 763,865,429.14/33,128.76
6. Step 6: Final answer
   x = 23,057.47