Finding the Fourth Proportional to 10,535.18, 14,518.56 and 7,545.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,535.18 : 14,518.56 = 7,545.81 : x
2. Step 2: Convert to fraction form
   10,535.18/14,518.56 = 7,545.81/x
3. Step 3: Cross multiply
   10,535.18x = 14,518.56 × 7,545.81
4. Step 4: Simplify right side
   10,535.18x = 109,554,295.23
5. Step 5: Solve for x
   x = 109,554,295.23/10,535.18
6. Step 6: Final answer
   x = 10,398.91