Finding the Fourth Proportional to 9,062.03, 12,499.28 and 8,757.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,062.03 : 12,499.28 = 8,757.23 : x
2. Step 2: Convert to fraction form
   9,062.03/12,499.28 = 8,757.23/x
3. Step 3: Cross multiply
   9,062.03x = 12,499.28 × 8,757.23
4. Step 4: Simplify right side
   9,062.03x = 109,458,963.51
5. Step 5: Solve for x
   x = 109,458,963.51/9,062.03
6. Step 6: Final answer
   x = 12,078.86