Finding the Fourth Proportional to 9,535.84, 13,150.86 and 7,947.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,535.84 : 13,150.86 = 7,947.76 : x
2. Step 2: Convert to fraction form
   9,535.84/13,150.86 = 7,947.76/x
3. Step 3: Cross multiply
   9,535.84x = 13,150.86 × 7,947.76
4. Step 4: Simplify right side
   9,535.84x = 104,519,879.07
5. Step 5: Solve for x
   x = 104,519,879.07/9,535.84
6. Step 6: Final answer
   x = 10,960.74