Finding the Fourth Proportional to 31,016.26, 42,783.24 and 27,046.90

Step by Step Solution

1. Step 1: Write the proportion equation
   31,016.26 : 42,783.24 = 27,046.90 : x
2. Step 2: Convert to fraction form
   31,016.26/42,783.24 = 27,046.90/x
3. Step 3: Cross multiply
   31,016.26x = 42,783.24 × 27,046.90
4. Step 4: Simplify right side
   31,016.26x = 1,157,154,013.96
5. Step 5: Solve for x
   x = 1,157,154,013.96/31,016.26
6. Step 6: Final answer
   x = 37,307.98