Finding the Fourth Proportional to 2,166.72, 3,248.40 and 1,471.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166.72 : 3,248.40 = 1,471.56 : x
2. Step 2: Convert to fraction form
   2,166.72/3,248.40 = 1,471.56/x
3. Step 3: Cross multiply
   2,166.72x = 3,248.40 × 1,471.56
4. Step 4: Simplify right side
   2,166.72x = 4,780,215.50
5. Step 5: Solve for x
   x = 4,780,215.50/2,166.72
6. Step 6: Final answer
   x = 2,206.20