Finding the Fourth Proportional to 9,792.72, 13,516.56 and 5,812.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.72 : 13,516.56 = 5,812.56 : x
2. Step 2: Convert to fraction form
   9,792.72/13,516.56 = 5,812.56/x
3. Step 3: Cross multiply
   9,792.72x = 13,516.56 × 5,812.56
4. Step 4: Simplify right side
   9,792.72x = 78,565,815.99
5. Step 5: Solve for x
   x = 78,565,815.99/9,792.72
6. Step 6: Final answer
   x = 8,022.88