Finding the Fourth Proportional to 72,901.84, 109,105.78 and 44,839.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,901.84 : 109,105.78 = 44,839.70 : x
2. Step 2: Convert to fraction form
   72,901.84/109,105.78 = 44,839.70/x
3. Step 3: Cross multiply
   72,901.84x = 109,105.78 × 44,839.70
4. Step 4: Simplify right side
   72,901.84x = 4,892,270,443.47
5. Step 5: Solve for x
   x = 4,892,270,443.47/72,901.84
6. Step 6: Final answer
   x = 67,107.64