Finding the Fourth Proportional to 2,513.16, 3,468.10 and 1,394.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.16 : 3,468.10 = 1,394.09 : x
2. Step 2: Convert to fraction form
   2,513.16/3,468.10 = 1,394.09/x
3. Step 3: Cross multiply
   2,513.16x = 3,468.10 × 1,394.09
4. Step 4: Simplify right side
   2,513.16x = 4,834,819.22
5. Step 5: Solve for x
   x = 4,834,819.22/2,513.16
6. Step 6: Final answer
   x = 1,923.80