Finding the Fourth Proportional to 31,017.76, 42,785.31 and 27,048.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,017.76 : 42,785.31 = 27,048.40 : x
2. Step 2: Convert to fraction form
   31,017.76/42,785.31 = 27,048.40/x
3. Step 3: Cross multiply
   31,017.76x = 42,785.31 × 27,048.40
4. Step 4: Simplify right side
   31,017.76x = 1,157,274,179.00
5. Step 5: Solve for x
   x = 1,157,274,179.00/31,017.76
6. Step 6: Final answer
   x = 37,310.05