Finding the Fourth Proportional to 2,666.32, 3,679.47 and 1,487.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.32 : 3,679.47 = 1,487.38 : x
2. Step 2: Convert to fraction form
   2,666.32/3,679.47 = 1,487.38/x
3. Step 3: Cross multiply
   2,666.32x = 3,679.47 × 1,487.38
4. Step 4: Simplify right side
   2,666.32x = 5,472,770.09
5. Step 5: Solve for x
   x = 5,472,770.09/2,666.32
6. Step 6: Final answer
   x = 2,052.56