Finding the Fourth Proportional to 9,076.86, 12,518.55 and 7,663.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,076.86 : 12,518.55 = 7,663.82 : x
2. Step 2: Convert to fraction form
   9,076.86/12,518.55 = 7,663.82/x
3. Step 3: Cross multiply
   9,076.86x = 12,518.55 × 7,663.82
4. Step 4: Simplify right side
   9,076.86x = 95,939,851.27
5. Step 5: Solve for x
   x = 95,939,851.27/9,076.86
6. Step 6: Final answer
   x = 10,569.72