Finding the Fourth Proportional to 2,665.98, 3,679.06 and 1,547.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.98 : 3,679.06 = 1,547.57 : x
2. Step 2: Convert to fraction form
   2,665.98/3,679.06 = 1,547.57/x
3. Step 3: Cross multiply
   2,665.98x = 3,679.06 × 1,547.57
4. Step 4: Simplify right side
   2,665.98x = 5,693,593.42
5. Step 5: Solve for x
   x = 5,693,593.42/2,665.98
6. Step 6: Final answer
   x = 2,135.65