Finding the Fourth Proportional to 9,064.56, 12,512.56 and 8,814.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,064.56 : 12,512.56 = 8,814.88 : x
2. Step 2: Convert to fraction form
   9,064.56/12,512.56 = 8,814.88/x
3. Step 3: Cross multiply
   9,064.56x = 12,512.56 × 8,814.88
4. Step 4: Simplify right side
   9,064.56x = 110,296,714.89
5. Step 5: Solve for x
   x = 110,296,714.89/9,064.56
6. Step 6: Final answer
   x = 12,167.91