Finding the Fourth Proportional to 42,847.38, 64,270.67 and 16,533.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,847.38 : 64,270.67 = 16,533.72 : x
2. Step 2: Convert to fraction form
   42,847.38/64,270.67 = 16,533.72/x
3. Step 3: Cross multiply
   42,847.38x = 64,270.67 × 16,533.72
4. Step 4: Simplify right side
   42,847.38x = 1,062,633,179.32
5. Step 5: Solve for x
   x = 1,062,633,179.32/42,847.38
6. Step 6: Final answer
   x = 24,800.42