Finding the Fourth Proportional to 32,788.78, 49,185.90 and 13,056.56

Step by Step Solution

1. Step 1: Write the proportion equation
   32,788.78 : 49,185.90 = 13,056.56 : x
2. Step 2: Convert to fraction form
   32,788.78/49,185.90 = 13,056.56/x
3. Step 3: Cross multiply
   32,788.78x = 49,185.90 × 13,056.56
4. Step 4: Simplify right side
   32,788.78x = 642,198,654.50
5. Step 5: Solve for x
   x = 642,198,654.50/32,788.78
6. Step 6: Final answer
   x = 19,585.93