Finding the Fourth Proportional to 9,310.79, 12,851.62 and 5,536.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,310.79 : 12,851.62 = 5,536.61 : x
2. Step 2: Convert to fraction form
   9,310.79/12,851.62 = 5,536.61/x
3. Step 3: Cross multiply
   9,310.79x = 12,851.62 × 5,536.61
4. Step 4: Simplify right side
   9,310.79x = 71,154,413.98
5. Step 5: Solve for x
   x = 71,154,413.98/9,310.79
6. Step 6: Final answer
   x = 7,642.15