Finding the Fourth Proportional to 42.86, 59.06 and 31.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42.86 : 59.06 = 31.94 : x
2. Step 2: Convert to fraction form
   42.86/59.06 = 31.94/x
3. Step 3: Cross multiply
   42.86x = 59.06 × 31.94
4. Step 4: Simplify right side
   42.86x = 1,886.38
5. Step 5: Solve for x
   x = 1,886.38/42.86
6. Step 6: Final answer
   x = 44.01