Finding the Fourth Proportional to 8,162.25, 12,243.51 and 3,545.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,162.25 : 12,243.51 = 3,545.25 : x
2. Step 2: Convert to fraction form
   8,162.25/12,243.51 = 3,545.25/x
3. Step 3: Cross multiply
   8,162.25x = 12,243.51 × 3,545.25
4. Step 4: Simplify right side
   8,162.25x = 43,406,303.83
5. Step 5: Solve for x
   x = 43,406,303.83/8,162.25
6. Step 6: Final answer
   x = 5,317.93