Finding the Fourth Proportional to 33,190.16, 49,792.80 and 9,815.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,190.16 : 49,792.80 = 9,815.72 : x
2. Step 2: Convert to fraction form
   33,190.16/49,792.80 = 9,815.72/x
3. Step 3: Cross multiply
   33,190.16x = 49,792.80 × 9,815.72
4. Step 4: Simplify right side
   33,190.16x = 488,752,182.82
5. Step 5: Solve for x
   x = 488,752,182.82/33,190.16
6. Step 6: Final answer
   x = 14,725.82