Finding the Fourth Proportional to 10,869.57, 14,996.42 and 7,511.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,869.57 : 14,996.42 = 7,511.18 : x
2. Step 2: Convert to fraction form
   10,869.57/14,996.42 = 7,511.18/x
3. Step 3: Cross multiply
   10,869.57x = 14,996.42 × 7,511.18
4. Step 4: Simplify right side
   10,869.57x = 112,640,734.93
5. Step 5: Solve for x
   x = 112,640,734.93/10,869.57
6. Step 6: Final answer
   x = 10,362.94