Finding the Fourth Proportional to 8,910.83, 12,269.50 and 7,914.38

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.83 : 12,269.50 = 7,914.38 : x
2. Step 2: Convert to fraction form
   8,910.83/12,269.50 = 7,914.38/x
3. Step 3: Cross multiply
   8,910.83x = 12,269.50 × 7,914.38
4. Step 4: Simplify right side
   8,910.83x = 97,105,427.38
5. Step 5: Solve for x
   x = 97,105,427.38/8,910.83
6. Step 6: Final answer
   x = 10,897.46