Finding the Fourth Proportional to 2,666.45, 3,679.83 and 1,487.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.45 : 3,679.83 = 1,487.57 : x
2. Step 2: Convert to fraction form
   2,666.45/3,679.83 = 1,487.57/x
3. Step 3: Cross multiply
   2,666.45x = 3,679.83 × 1,487.57
4. Step 4: Simplify right side
   2,666.45x = 5,473,986.31
5. Step 5: Solve for x
   x = 5,473,986.31/2,666.45
6. Step 6: Final answer
   x = 2,052.91