Finding the Fourth Proportional to 2,451.16, 3,381.72 and 1,566.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,451.16 : 3,381.72 = 1,566.88 : x
2. Step 2: Convert to fraction form
   2,451.16/3,381.72 = 1,566.88/x
3. Step 3: Cross multiply
   2,451.16x = 3,381.72 × 1,566.88
4. Step 4: Simplify right side
   2,451.16x = 5,298,749.43
5. Step 5: Solve for x
   x = 5,298,749.43/2,451.16
6. Step 6: Final answer
   x = 2,161.73