Finding the Fourth Proportional to 2,666.35, 3,679.55 and 1,487.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.35 : 3,679.55 = 1,487.42 : x
2. Step 2: Convert to fraction form
   2,666.35/3,679.55 = 1,487.42/x
3. Step 3: Cross multiply
   2,666.35x = 3,679.55 × 1,487.42
4. Step 4: Simplify right side
   2,666.35x = 5,473,010.43
5. Step 5: Solve for x
   x = 5,473,010.43/2,666.35
6. Step 6: Final answer
   x = 2,052.63