Finding the Fourth Proportional to 8,881.65, 12,255.65 and 5,296.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,881.65 : 12,255.65 = 5,296.82 : x
2. Step 2: Convert to fraction form
   8,881.65/12,255.65 = 5,296.82/x
3. Step 3: Cross multiply
   8,881.65x = 12,255.65 × 5,296.82
4. Step 4: Simplify right side
   8,881.65x = 64,915,884.27
5. Step 5: Solve for x
   x = 64,915,884.27/8,881.65
6. Step 6: Final answer
   x = 7,308.99