Finding the Fourth Proportional to 48,725.39, 73,082.01 and 13,667.78

Step by Step Solution

1. Step 1: Write the proportion equation
   48,725.39 : 73,082.01 = 13,667.78 : x
2. Step 2: Convert to fraction form
   48,725.39/73,082.01 = 13,667.78/x
3. Step 3: Cross multiply
   48,725.39x = 73,082.01 × 13,667.78
4. Step 4: Simplify right side
   48,725.39x = 998,868,834.64
5. Step 5: Solve for x
   x = 998,868,834.64/48,725.39
6. Step 6: Final answer
   x = 20,499.97