Finding the Fourth Proportional to 42,878.61, 59,157.68 and 26,964.27

Step by Step Solution

1. Step 1: Write the proportion equation
   42,878.61 : 59,157.68 = 26,964.27 : x
2. Step 2: Convert to fraction form
   42,878.61/59,157.68 = 26,964.27/x
3. Step 3: Cross multiply
   42,878.61x = 59,157.68 × 26,964.27
4. Step 4: Simplify right side
   42,878.61x = 1,595,143,521.27
5. Step 5: Solve for x
   x = 1,595,143,521.27/42,878.61
6. Step 6: Final answer
   x = 37,201.38