Finding the Fourth Proportional to 8,897.29, 12,268.32 and 7,277.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,897.29 : 12,268.32 = 7,277.15 : x
2. Step 2: Convert to fraction form
   8,897.29/12,268.32 = 7,277.15/x
3. Step 3: Cross multiply
   8,897.29x = 12,268.32 × 7,277.15
4. Step 4: Simplify right side
   8,897.29x = 89,278,404.89
5. Step 5: Solve for x
   x = 89,278,404.89/8,897.29
6. Step 6: Final answer
   x = 10,034.34