Finding the Fourth Proportional to 42,855.72, 59,133.82 and 26,928.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,855.72 : 59,133.82 = 26,928.88 : x
2. Step 2: Convert to fraction form
   42,855.72/59,133.82 = 26,928.88/x
3. Step 3: Cross multiply
   42,855.72x = 59,133.82 × 26,928.88
4. Step 4: Simplify right side
   42,855.72x = 1,592,407,542.72
5. Step 5: Solve for x
   x = 1,592,407,542.72/42,855.72
6. Step 6: Final answer
   x = 37,157.41