Finding the Fourth Proportional to 2,926.10, 4,390.17 and 1,282.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,926.10 : 4,390.17 = 1,282.43 : x
2. Step 2: Convert to fraction form
   2,926.10/4,390.17 = 1,282.43/x
3. Step 3: Cross multiply
   2,926.10x = 4,390.17 × 1,282.43
4. Step 4: Simplify right side
   2,926.10x = 5,630,057.35
5. Step 5: Solve for x
   x = 5,630,057.35/2,926.10
6. Step 6: Final answer
   x = 1,924.09