Finding the Fourth Proportional to 2,066.64, 3,099.98 and 1,451.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,066.64 : 3,099.98 = 1,451.31 : x
2. Step 2: Convert to fraction form
   2,066.64/3,099.98 = 1,451.31/x
3. Step 3: Cross multiply
   2,066.64x = 3,099.98 × 1,451.31
4. Step 4: Simplify right side
   2,066.64x = 4,499,031.97
5. Step 5: Solve for x
   x = 4,499,031.97/2,066.64
6. Step 6: Final answer
   x = 2,176.98