Finding the Fourth Proportional to 59,678.15, 89,514.86 and 20,235.33

Step by Step Solution

1. Step 1: Write the proportion equation
   59,678.15 : 89,514.86 = 20,235.33 : x
2. Step 2: Convert to fraction form
   59,678.15/89,514.86 = 20,235.33/x
3. Step 3: Cross multiply
   59,678.15x = 89,514.86 × 20,235.33
4. Step 4: Simplify right side
   59,678.15x = 1,811,362,630.83
5. Step 5: Solve for x
   x = 1,811,362,630.83/59,678.15
6. Step 6: Final answer
   x = 30,352.19