Finding the Fourth Proportional to 42,938.22, 59,242.62 and 27,831.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,938.22 : 59,242.62 = 27,831.50 : x
2. Step 2: Convert to fraction form
   42,938.22/59,242.62 = 27,831.50/x
3. Step 3: Cross multiply
   42,938.22x = 59,242.62 × 27,831.50
4. Step 4: Simplify right side
   42,938.22x = 1,648,810,978.53
5. Step 5: Solve for x
   x = 1,648,810,978.53/42,938.22
6. Step 6: Final answer
   x = 38,399.61