Finding the Fourth Proportional to 67,384.88, 101,082.18 and 20,631.68

Step by Step Solution

1. Step 1: Write the proportion equation
   67,384.88 : 101,082.18 = 20,631.68 : x
2. Step 2: Convert to fraction form
   67,384.88/101,082.18 = 20,631.68/x
3. Step 3: Cross multiply
   67,384.88x = 101,082.18 × 20,631.68
4. Step 4: Simplify right side
   67,384.88x = 2,085,495,191.46
5. Step 5: Solve for x
   x = 2,085,495,191.46/67,384.88
6. Step 6: Final answer
   x = 30,949.01