Finding the Fourth Proportional to 42,789.27, 59,029.31 and 27,686.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,789.27 : 59,029.31 = 27,686.81 : x
2. Step 2: Convert to fraction form
   42,789.27/59,029.31 = 27,686.81/x
3. Step 3: Cross multiply
   42,789.27x = 59,029.31 × 27,686.81
4. Step 4: Simplify right side
   42,789.27x = 1,634,333,175.15
5. Step 5: Solve for x
   x = 1,634,333,175.15/42,789.27
6. Step 6: Final answer
   x = 38,194.93