Finding the Fourth Proportional to 10,561.79, 14,587.24 and 7,198.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,561.79 : 14,587.24 = 7,198.82 : x
2. Step 2: Convert to fraction form
   10,561.79/14,587.24 = 7,198.82/x
3. Step 3: Cross multiply
   10,561.79x = 14,587.24 × 7,198.82
4. Step 4: Simplify right side
   10,561.79x = 105,010,974.38
5. Step 5: Solve for x
   x = 105,010,974.38/10,561.79
6. Step 6: Final answer
   x = 9,942.53