Finding the Fourth Proportional to 10,834.72, 14,947.38 and 7,291.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,834.72 : 14,947.38 = 7,291.78 : x
2. Step 2: Convert to fraction form
   10,834.72/14,947.38 = 7,291.78/x
3. Step 3: Cross multiply
   10,834.72x = 14,947.38 × 7,291.78
4. Step 4: Simplify right side
   10,834.72x = 108,993,006.54
5. Step 5: Solve for x
   x = 108,993,006.54/10,834.72
6. Step 6: Final answer
   x = 10,059.61