Finding the Fourth Proportional to 57,143.21, 78,862.41 and 33,271.49

Step by Step Solution

1. Step 1: Write the proportion equation
   57,143.21 : 78,862.41 = 33,271.49 : x
2. Step 2: Convert to fraction form
   57,143.21/78,862.41 = 33,271.49/x
3. Step 3: Cross multiply
   57,143.21x = 78,862.41 × 33,271.49
4. Step 4: Simplify right side
   57,143.21x = 2,623,870,082.85
5. Step 5: Solve for x
   x = 2,623,870,082.85/57,143.21
6. Step 6: Final answer
   x = 45,917.45