Finding the Fourth Proportional to 42,936.81, 59,240.67 and 27,830.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,936.81 : 59,240.67 = 27,830.11 : x
2. Step 2: Convert to fraction form
   42,936.81/59,240.67 = 27,830.11/x
3. Step 3: Cross multiply
   42,936.81x = 59,240.67 × 27,830.11
4. Step 4: Simplify right side
   42,936.81x = 1,648,674,066.37
5. Step 5: Solve for x
   x = 1,648,674,066.37/42,936.81
6. Step 6: Final answer
   x = 38,397.68