Finding the Fourth Proportional to 9,740.67, 14,610.87 and 9,118.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,740.67 : 14,610.87 = 9,118.05 : x
2. Step 2: Convert to fraction form
   9,740.67/14,610.87 = 9,118.05/x
3. Step 3: Cross multiply
   9,740.67x = 14,610.87 × 9,118.05
4. Step 4: Simplify right side
   9,740.67x = 133,222,643.20
5. Step 5: Solve for x
   x = 133,222,643.20/9,740.67
6. Step 6: Final answer
   x = 13,676.95