Finding the Fourth Proportional to 2,464.39, 3,400.76 and 1,345.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,464.39 : 3,400.76 = 1,345.30 : x
2. Step 2: Convert to fraction form
   2,464.39/3,400.76 = 1,345.30/x
3. Step 3: Cross multiply
   2,464.39x = 3,400.76 × 1,345.30
4. Step 4: Simplify right side
   2,464.39x = 4,575,030.56
5. Step 5: Solve for x
   x = 4,575,030.56/2,464.39
6. Step 6: Final answer
   x = 1,856.46