Finding the Fourth Proportional to 2,666.30, 3,679.25 and 1,547.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.30 : 3,679.25 = 1,547.28 : x
2. Step 2: Convert to fraction form
   2,666.30/3,679.25 = 1,547.28/x
3. Step 3: Cross multiply
   2,666.30x = 3,679.25 × 1,547.28
4. Step 4: Simplify right side
   2,666.30x = 5,692,822.20
5. Step 5: Solve for x
   x = 5,692,822.20/2,666.30
6. Step 6: Final answer
   x = 2,135.11