Finding the Fourth Proportional to 2,666.28, 3,680.03 and 1,547.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.28 : 3,680.03 = 1,547.27 : x
2. Step 2: Convert to fraction form
   2,666.28/3,680.03 = 1,547.27/x
3. Step 3: Cross multiply
   2,666.28x = 3,680.03 × 1,547.27
4. Step 4: Simplify right side
   2,666.28x = 5,693,973.88
5. Step 5: Solve for x
   x = 5,693,973.88/2,666.28
6. Step 6: Final answer
   x = 2,135.55