Finding the Fourth Proportional to 9,795.96, 14,622.12 and 8,418.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,795.96 : 14,622.12 = 8,418.12 : x
2. Step 2: Convert to fraction form
   9,795.96/14,622.12 = 8,418.12/x
3. Step 3: Cross multiply
   9,795.96x = 14,622.12 × 8,418.12
4. Step 4: Simplify right side
   9,795.96x = 123,090,760.81
5. Step 5: Solve for x
   x = 123,090,760.81/9,795.96
6. Step 6: Final answer
   x = 12,565.46