Finding the Fourth Proportional to 2,666.17, 3,679.39 and 1,487.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.17 : 3,679.39 = 1,487.32 : x
2. Step 2: Convert to fraction form
   2,666.17/3,679.39 = 1,487.32/x
3. Step 3: Cross multiply
   2,666.17x = 3,679.39 × 1,487.32
4. Step 4: Simplify right side
   2,666.17x = 5,472,430.33
5. Step 5: Solve for x
   x = 5,472,430.33/2,666.17
6. Step 6: Final answer
   x = 2,052.54