Finding the Fourth Proportional to 9,273.42, 12,789.86 and 8,151.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,273.42 : 12,789.86 = 8,151.98 : x
2. Step 2: Convert to fraction form
   9,273.42/12,789.86 = 8,151.98/x
3. Step 3: Cross multiply
   9,273.42x = 12,789.86 × 8,151.98
4. Step 4: Simplify right side
   9,273.42x = 104,262,578.21
5. Step 5: Solve for x
   x = 104,262,578.21/9,273.42
6. Step 6: Final answer
   x = 11,243.16