Finding the Fourth Proportional to 2,666.27, 3,679.31 and 1,487.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.27 : 3,679.31 = 1,487.12 : x
2. Step 2: Convert to fraction form
   2,666.27/3,679.31 = 1,487.12/x
3. Step 3: Cross multiply
   2,666.27x = 3,679.31 × 1,487.12
4. Step 4: Simplify right side
   2,666.27x = 5,471,549.66
5. Step 5: Solve for x
   x = 5,471,549.66/2,666.27
6. Step 6: Final answer
   x = 2,052.14