Finding the Fourth Proportional to 2,516.10, 3,776.48 and 1,284.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516.10 : 3,776.48 = 1,284.42 : x
2. Step 2: Convert to fraction form
   2,516.10/3,776.48 = 1,284.42/x
3. Step 3: Cross multiply
   2,516.10x = 3,776.48 × 1,284.42
4. Step 4: Simplify right side
   2,516.10x = 4,850,580.02
5. Step 5: Solve for x
   x = 4,850,580.02/2,516.10
6. Step 6: Final answer
   x = 1,927.82