Finding the Fourth Proportional to 9,292.77, 12,823.56 and 5,516.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,292.77 : 12,823.56 = 5,516.10 : x
2. Step 2: Convert to fraction form
   9,292.77/12,823.56 = 5,516.10/x
3. Step 3: Cross multiply
   9,292.77x = 12,823.56 × 5,516.10
4. Step 4: Simplify right side
   9,292.77x = 70,736,039.32
5. Step 5: Solve for x
   x = 70,736,039.32/9,292.77
6. Step 6: Final answer
   x = 7,611.94