Finding the Fourth Proportional to 32,978.20, 49,474.22 and 10,789.86

Step by Step Solution

1. Step 1: Write the proportion equation
   32,978.20 : 49,474.22 = 10,789.86 : x
2. Step 2: Convert to fraction form
   32,978.20/49,474.22 = 10,789.86/x
3. Step 3: Cross multiply
   32,978.20x = 49,474.22 × 10,789.86
4. Step 4: Simplify right side
   32,978.20x = 533,819,907.41
5. Step 5: Solve for x
   x = 533,819,907.41/32,978.20
6. Step 6: Final answer
   x = 16,187.05