Finding the Fourth Proportional to 9,198.06, 12,693.51 and 5,662.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,198.06 : 12,693.51 = 5,662.86 : x
2. Step 2: Convert to fraction form
   9,198.06/12,693.51 = 5,662.86/x
3. Step 3: Cross multiply
   9,198.06x = 12,693.51 × 5,662.86
4. Step 4: Simplify right side
   9,198.06x = 71,881,570.04
5. Step 5: Solve for x
   x = 71,881,570.04/9,198.06
6. Step 6: Final answer
   x = 7,814.86