Finding the Fourth Proportional to 12,364.11, 17,064.86 and 9,669.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,364.11 : 17,064.86 = 9,669.98 : x
2. Step 2: Convert to fraction form
   12,364.11/17,064.86 = 9,669.98/x
3. Step 3: Cross multiply
   12,364.11x = 17,064.86 × 9,669.98
4. Step 4: Simplify right side
   12,364.11x = 165,016,849.22
5. Step 5: Solve for x
   x = 165,016,849.22/12,364.11
6. Step 6: Final answer
   x = 13,346.44