Finding the Fourth Proportional to 32,783.82, 49,164.57 and 13,057.02

Step by Step Solution

1. Step 1: Write the proportion equation
   32,783.82 : 49,164.57 = 13,057.02 : x
2. Step 2: Convert to fraction form
   32,783.82/49,164.57 = 13,057.02/x
3. Step 3: Cross multiply
   32,783.82x = 49,164.57 × 13,057.02
4. Step 4: Simplify right side
   32,783.82x = 641,942,773.78
5. Step 5: Solve for x
   x = 641,942,773.78/32,783.82
6. Step 6: Final answer
   x = 19,581.09