Finding the Fourth Proportional to 42,798.12, 64,207.71 and 16,504.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,798.12 : 64,207.71 = 16,504.71 : x
2. Step 2: Convert to fraction form
   42,798.12/64,207.71 = 16,504.71/x
3. Step 3: Cross multiply
   42,798.12x = 64,207.71 × 16,504.71
4. Step 4: Simplify right side
   42,798.12x = 1,059,729,633.31
5. Step 5: Solve for x
   x = 1,059,729,633.31/42,798.12
6. Step 6: Final answer
   x = 24,761.13