Finding the Fourth Proportional to 32,786.78, 49,182.90 and 13,054.57

Step by Step Solution

1. Step 1: Write the proportion equation
   32,786.78 : 49,182.90 = 13,054.57 : x
2. Step 2: Convert to fraction form
   32,786.78/49,182.90 = 13,054.57/x
3. Step 3: Cross multiply
   32,786.78x = 49,182.90 × 13,054.57
4. Step 4: Simplify right side
   32,786.78x = 642,061,438.94
5. Step 5: Solve for x
   x = 642,061,438.94/32,786.78
6. Step 6: Final answer
   x = 19,582.94