Finding the Fourth Proportional to 72,823.87, 109,249.59 and 28,447.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72,823.87 : 109,249.59 = 28,447.82 : x
2. Step 2: Convert to fraction form
   72,823.87/109,249.59 = 28,447.82/x
3. Step 3: Cross multiply
   72,823.87x = 109,249.59 × 28,447.82
4. Step 4: Simplify right side
   72,823.87x = 3,107,912,671.39
5. Step 5: Solve for x
   x = 3,107,912,671.39/72,823.87
6. Step 6: Final answer
   x = 42,677.11