Finding the Fourth Proportional to 8,883.56, 12,259.72 and 5,107.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,883.56 : 12,259.72 = 5,107.95 : x
2. Step 2: Convert to fraction form
   8,883.56/12,259.72 = 5,107.95/x
3. Step 3: Cross multiply
   8,883.56x = 12,259.72 × 5,107.95
4. Step 4: Simplify right side
   8,883.56x = 62,622,036.77
5. Step 5: Solve for x
   x = 62,622,036.77/8,883.56
6. Step 6: Final answer
   x = 7,049.21