Finding the Fourth Proportional to 2,345.30, 3,519.12 and 1,046.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.30 : 3,519.12 = 1,046.42 : x
2. Step 2: Convert to fraction form
   2,345.30/3,519.12 = 1,046.42/x
3. Step 3: Cross multiply
   2,345.30x = 3,519.12 × 1,046.42
4. Step 4: Simplify right side
   2,345.30x = 3,682,477.55
5. Step 5: Solve for x
   x = 3,682,477.55/2,345.30
6. Step 6: Final answer
   x = 1,570.15