Finding the Fourth Proportional to 59,379.92, 89,074.56 and 19,936.88

Step by Step Solution

1. Step 1: Write the proportion equation
   59,379.92 : 89,074.56 = 19,936.88 : x
2. Step 2: Convert to fraction form
   59,379.92/89,074.56 = 19,936.88/x
3. Step 3: Cross multiply
   59,379.92x = 89,074.56 × 19,936.88
4. Step 4: Simplify right side
   59,379.92x = 1,775,868,813.77
5. Step 5: Solve for x
   x = 1,775,868,813.77/59,379.92
6. Step 6: Final answer
   x = 29,906.89