Finding the Fourth Proportional to 2,666.10, 3,679.16 and 1,487.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.10 : 3,679.16 = 1,487.18 : x
2. Step 2: Convert to fraction form
   2,666.10/3,679.16 = 1,487.18/x
3. Step 3: Cross multiply
   2,666.10x = 3,679.16 × 1,487.18
4. Step 4: Simplify right side
   2,666.10x = 5,471,573.17
5. Step 5: Solve for x
   x = 5,471,573.17/2,666.10
6. Step 6: Final answer
   x = 2,052.28