Finding the Fourth Proportional to 59,338.46, 81,910.70 and 38,928.29

Step by Step Solution

1. Step 1: Write the proportion equation
   59,338.46 : 81,910.70 = 38,928.29 : x
2. Step 2: Convert to fraction form
   59,338.46/81,910.70 = 38,928.29/x
3. Step 3: Cross multiply
   59,338.46x = 81,910.70 × 38,928.29
4. Step 4: Simplify right side
   59,338.46x = 3,188,642,879.51
5. Step 5: Solve for x
   x = 3,188,642,879.51/59,338.46
6. Step 6: Final answer
   x = 53,736.53