Finding the Fourth Proportional to 48,601.72, 67,082.88 and 31,648.28

Step by Step Solution

1. Step 1: Write the proportion equation
   48,601.72 : 67,082.88 = 31,648.28 : x
2. Step 2: Convert to fraction form
   48,601.72/67,082.88 = 31,648.28/x
3. Step 3: Cross multiply
   48,601.72x = 67,082.88 × 31,648.28
4. Step 4: Simplify right side
   48,601.72x = 2,123,057,769.45
5. Step 5: Solve for x
   x = 2,123,057,769.45/48,601.72
6. Step 6: Final answer
   x = 43,682.77