Finding the Fourth Proportional to 9,105.94, 12,566.25 and 5,519.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.94 : 12,566.25 = 5,519.73 : x
2. Step 2: Convert to fraction form
   9,105.94/12,566.25 = 5,519.73/x
3. Step 3: Cross multiply
   9,105.94x = 12,566.25 × 5,519.73
4. Step 4: Simplify right side
   9,105.94x = 69,362,307.11
5. Step 5: Solve for x
   x = 69,362,307.11/9,105.94
6. Step 6: Final answer
   x = 7,617.26