Finding the Fourth Proportional to 8,892.56, 12,273.32 and 5,307.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,892.56 : 12,273.32 = 5,307.77 : x
2. Step 2: Convert to fraction form
   8,892.56/12,273.32 = 5,307.77/x
3. Step 3: Cross multiply
   8,892.56x = 12,273.32 × 5,307.77
4. Step 4: Simplify right side
   8,892.56x = 65,143,959.70
5. Step 5: Solve for x
   x = 65,143,959.70/8,892.56
6. Step 6: Final answer
   x = 7,325.67