Finding the Fourth Proportional to 72,238.88, 108,363.18 and 27,866

Step by Step Solution

1. Step 1: Write the proportion equation
   72,238.88 : 108,363.18 = 27,866 : x
2. Step 2: Convert to fraction form
   72,238.88/108,363.18 = 27,866/x
3. Step 3: Cross multiply
   72,238.88x = 108,363.18 × 27,866
4. Step 4: Simplify right side
   72,238.88x = 3,019,648,373.88
5. Step 5: Solve for x
   x = 3,019,648,373.88/72,238.88
6. Step 6: Final answer
   x = 41,800.87