Finding the Fourth Proportional to 2,513.81, 3,766.86 and 1,052.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.81 : 3,766.86 = 1,052.16 : x
2. Step 2: Convert to fraction form
   2,513.81/3,766.86 = 1,052.16/x
3. Step 3: Cross multiply
   2,513.81x = 3,766.86 × 1,052.16
4. Step 4: Simplify right side
   2,513.81x = 3,963,339.42
5. Step 5: Solve for x
   x = 3,963,339.42/2,513.81
6. Step 6: Final answer
   x = 1,576.63