Finding the Fourth Proportional to 42,796.71, 59,067.63 and 28,674.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,796.71 : 59,067.63 = 28,674.18 : x
2. Step 2: Convert to fraction form
   42,796.71/59,067.63 = 28,674.18/x
3. Step 3: Cross multiply
   42,796.71x = 59,067.63 × 28,674.18
4. Step 4: Simplify right side
   42,796.71x = 1,693,715,854.79
5. Step 5: Solve for x
   x = 1,693,715,854.79/42,796.71
6. Step 6: Final answer
   x = 39,575.84