Finding the Fourth Proportional to 42,839.39, 59,111.33 and 26,912.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,839.39 : 59,111.33 = 26,912.56 : x
2. Step 2: Convert to fraction form
   42,839.39/59,111.33 = 26,912.56/x
3. Step 3: Cross multiply
   42,839.39x = 59,111.33 × 26,912.56
4. Step 4: Simplify right side
   42,839.39x = 1,590,837,215.30
5. Step 5: Solve for x
   x = 1,590,837,215.30/42,839.39
6. Step 6: Final answer
   x = 37,134.92