Finding the Fourth Proportional to 8,915.03, 12,326.22 and 7,807.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,915.03 : 12,326.22 = 7,807.86 : x
2. Step 2: Convert to fraction form
   8,915.03/12,326.22 = 7,807.86/x
3. Step 3: Cross multiply
   8,915.03x = 12,326.22 × 7,807.86
4. Step 4: Simplify right side
   8,915.03x = 96,241,400.09
5. Step 5: Solve for x
   x = 96,241,400.09/8,915.03
6. Step 6: Final answer
   x = 10,795.42