Finding the Fourth Proportional to 8,881.25, 12,256.52 and 5,105.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,881.25 : 12,256.52 = 5,105.63 : x
2. Step 2: Convert to fraction form
   8,881.25/12,256.52 = 5,105.63/x
3. Step 3: Cross multiply
   8,881.25x = 12,256.52 × 5,105.63
4. Step 4: Simplify right side
   8,881.25x = 62,577,261.32
5. Step 5: Solve for x
   x = 62,577,261.32/8,881.25
6. Step 6: Final answer
   x = 7,046.00