Finding the Fourth Proportional to 57,981.30, 86,907.15 and 33,033.30

Step by Step Solution

1. Step 1: Write the proportion equation
   57,981.30 : 86,907.15 = 33,033.30 : x
2. Step 2: Convert to fraction form
   57,981.30/86,907.15 = 33,033.30/x
3. Step 3: Cross multiply
   57,981.30x = 86,907.15 × 33,033.30
4. Step 4: Simplify right side
   57,981.30x = 2,870,829,958.10
5. Step 5: Solve for x
   x = 2,870,829,958.10/57,981.30
6. Step 6: Final answer
   x = 49,513.03