Finding the Fourth Proportional to 2,430.86, 3,645.59 and 675.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,430.86 : 3,645.59 = 675.43 : x
2. Step 2: Convert to fraction form
   2,430.86/3,645.59 = 675.43/x
3. Step 3: Cross multiply
   2,430.86x = 3,645.59 × 675.43
4. Step 4: Simplify right side
   2,430.86x = 2,462,340.85
5. Step 5: Solve for x
   x = 2,462,340.85/2,430.86
6. Step 6: Final answer
   x = 1,012.95