Finding the Fourth Proportional to 48,667.25, 73,010.61 and 20,587.18

Step by Step Solution

1. Step 1: Write the proportion equation
   48,667.25 : 73,010.61 = 20,587.18 : x
2. Step 2: Convert to fraction form
   48,667.25/73,010.61 = 20,587.18/x
3. Step 3: Cross multiply
   48,667.25x = 73,010.61 × 20,587.18
4. Step 4: Simplify right side
   48,667.25x = 1,503,082,569.98
5. Step 5: Solve for x
   x = 1,503,082,569.98/48,667.25
6. Step 6: Final answer
   x = 30,884.89