Finding the Fourth Proportional to 42,788.71, 59,028.53 and 27,686.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,788.71 : 59,028.53 = 27,686.24 : x
2. Step 2: Convert to fraction form
   42,788.71/59,028.53 = 27,686.24/x
3. Step 3: Cross multiply
   42,788.71x = 59,028.53 × 27,686.24
4. Step 4: Simplify right side
   42,788.71x = 1,634,278,357.77
5. Step 5: Solve for x
   x = 1,634,278,357.77/42,788.71
6. Step 6: Final answer
   x = 38,194.15