Finding the Fourth Proportional to 2,666.69, 3,680.82 and 1,548.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.69 : 3,680.82 = 1,548.15 : x
2. Step 2: Convert to fraction form
   2,666.69/3,680.82 = 1,548.15/x
3. Step 3: Cross multiply
   2,666.69x = 3,680.82 × 1,548.15
4. Step 4: Simplify right side
   2,666.69x = 5,698,461.48
5. Step 5: Solve for x
   x = 5,698,461.48/2,666.69
6. Step 6: Final answer
   x = 2,136.90