Finding the Fourth Proportional to 42,936.31, 59,239.98 and 27,829.61

Step by Step Solution

1. Step 1: Write the proportion equation
   42,936.31 : 59,239.98 = 27,829.61 : x
2. Step 2: Convert to fraction form
   42,936.31/59,239.98 = 27,829.61/x
3. Step 3: Cross multiply
   42,936.31x = 59,239.98 × 27,829.61
4. Step 4: Simplify right side
   42,936.31x = 1,648,625,243.61
5. Step 5: Solve for x
   x = 1,648,625,243.61/42,936.31
6. Step 6: Final answer
   x = 38,397.00