Finding the Fourth Proportional to 42,789.93, 59,030.22 and 27,687.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,789.93 : 59,030.22 = 27,687.47 : x
2. Step 2: Convert to fraction form
   42,789.93/59,030.22 = 27,687.47/x
3. Step 3: Cross multiply
   42,789.93x = 59,030.22 × 27,687.47
4. Step 4: Simplify right side
   42,789.93x = 1,634,397,371.56
5. Step 5: Solve for x
   x = 1,634,397,371.56/42,789.93
6. Step 6: Final answer
   x = 38,195.84