Finding the Fourth Proportional to 42,039.56, 57,981.78 and 26,933.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,039.56 : 57,981.78 = 26,933.62 : x
2. Step 2: Convert to fraction form
   42,039.56/57,981.78 = 26,933.62/x
3. Step 3: Cross multiply
   42,039.56x = 57,981.78 × 26,933.62
4. Step 4: Simplify right side
   42,039.56x = 1,561,659,229.44
5. Step 5: Solve for x
   x = 1,561,659,229.44/42,039.56
6. Step 6: Final answer
   x = 37,147.37