Finding the Fourth Proportional to 31,023.76, 42,793.59 and 27,054.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,023.76 : 42,793.59 = 27,054.40 : x
2. Step 2: Convert to fraction form
   31,023.76/42,793.59 = 27,054.40/x
3. Step 3: Cross multiply
   31,023.76x = 42,793.59 × 27,054.40
4. Step 4: Simplify right side
   31,023.76x = 1,157,754,901.30
5. Step 5: Solve for x
   x = 1,157,754,901.30/31,023.76
6. Step 6: Final answer
   x = 37,318.33