Finding the Fourth Proportional to 2,666.61, 3,679.07 and 1,487.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.61 : 3,679.07 = 1,487.45 : x
2. Step 2: Convert to fraction form
   2,666.61/3,679.07 = 1,487.45/x
3. Step 3: Cross multiply
   2,666.61x = 3,679.07 × 1,487.45
4. Step 4: Simplify right side
   2,666.61x = 5,472,434.43
5. Step 5: Solve for x
   x = 5,472,434.43/2,666.61
6. Step 6: Final answer
   x = 2,052.21