Finding the Fourth Proportional to 59,866.78, 89,835.18 and 33,235.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,866.78 : 89,835.18 = 33,235.20 : x
2. Step 2: Convert to fraction form
   59,866.78/89,835.18 = 33,235.20/x
3. Step 3: Cross multiply
   59,866.78x = 89,835.18 × 33,235.20
4. Step 4: Simplify right side
   59,866.78x = 2,985,689,725.16
5. Step 5: Solve for x
   x = 2,985,689,725.16/59,866.78
6. Step 6: Final answer
   x = 49,872.23