Finding the Fourth Proportional to 32,978.09, 49,474.05 and 10,789.72

Step by Step Solution

1. Step 1: Write the proportion equation
   32,978.09 : 49,474.05 = 10,789.72 : x
2. Step 2: Convert to fraction form
   32,978.09/49,474.05 = 10,789.72/x
3. Step 3: Cross multiply
   32,978.09x = 49,474.05 × 10,789.72
4. Step 4: Simplify right side
   32,978.09x = 533,811,146.77
5. Step 5: Solve for x
   x = 533,811,146.77/32,978.09
6. Step 6: Final answer
   x = 16,186.84