Finding the Fourth Proportional to 8,881.06, 12,256.27 and 5,105.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,881.06 : 12,256.27 = 5,105.45 : x
2. Step 2: Convert to fraction form
   8,881.06/12,256.27 = 5,105.45/x
3. Step 3: Cross multiply
   8,881.06x = 12,256.27 × 5,105.45
4. Step 4: Simplify right side
   8,881.06x = 62,573,773.67
5. Step 5: Solve for x
   x = 62,573,773.67/8,881.06
6. Step 6: Final answer
   x = 7,045.76