Finding the Fourth Proportional to 2,666.57, 3,679.76 and 1,471.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.57 : 3,679.76 = 1,471.57 : x
2. Step 2: Convert to fraction form
   2,666.57/3,679.76 = 1,471.57/x
3. Step 3: Cross multiply
   2,666.57x = 3,679.76 × 1,471.57
4. Step 4: Simplify right side
   2,666.57x = 5,415,018.90
5. Step 5: Solve for x
   x = 5,415,018.90/2,666.57
6. Step 6: Final answer
   x = 2,030.71