Finding the Fourth Proportional to 7,935.45, 10,947.24 and 5,578.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,935.45 : 10,947.24 = 5,578.98 : x
2. Step 2: Convert to fraction form
   7,935.45/10,947.24 = 5,578.98/x
3. Step 3: Cross multiply
   7,935.45x = 10,947.24 × 5,578.98
4. Step 4: Simplify right side
   7,935.45x = 61,074,433.02
5. Step 5: Solve for x
   x = 61,074,433.02/7,935.45
6. Step 6: Final answer
   x = 7,696.40