Finding the Fourth Proportional to 2,666.38, 3,679.86 and 1,487.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.38 : 3,679.86 = 1,487.56 : x
2. Step 2: Convert to fraction form
   2,666.38/3,679.86 = 1,487.56/x
3. Step 3: Cross multiply
   2,666.38x = 3,679.86 × 1,487.56
4. Step 4: Simplify right side
   2,666.38x = 5,474,012.54
5. Step 5: Solve for x
   x = 5,474,012.54/2,666.38
6. Step 6: Final answer
   x = 2,052.98