Finding the Fourth Proportional to 2,654.73, 3,667.28 and 2,127.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.73 : 3,667.28 = 2,127.12 : x
2. Step 2: Convert to fraction form
   2,654.73/3,667.28 = 2,127.12/x
3. Step 3: Cross multiply
   2,654.73x = 3,667.28 × 2,127.12
4. Step 4: Simplify right side
   2,654.73x = 7,800,720.25
5. Step 5: Solve for x
   x = 7,800,720.25/2,654.73
6. Step 6: Final answer
   x = 2,938.42