Finding the Fourth Proportional to 8,774.95, 12,105.55 and 5,236.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,774.95 : 12,105.55 = 5,236.12 : x
2. Step 2: Convert to fraction form
   8,774.95/12,105.55 = 5,236.12/x
3. Step 3: Cross multiply
   8,774.95x = 12,105.55 × 5,236.12
4. Step 4: Simplify right side
   8,774.95x = 63,386,025.76
5. Step 5: Solve for x
   x = 63,386,025.76/8,774.95
6. Step 6: Final answer
   x = 7,223.52