Finding the Fourth Proportional to 16,374.72, 22,597.48 and 9,661.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,374.72 : 22,597.48 = 9,661.98 : x
2. Step 2: Convert to fraction form
   16,374.72/22,597.48 = 9,661.98/x
3. Step 3: Cross multiply
   16,374.72x = 22,597.48 × 9,661.98
4. Step 4: Simplify right side
   16,374.72x = 218,336,399.81
5. Step 5: Solve for x
   x = 218,336,399.81/16,374.72
6. Step 6: Final answer
   x = 13,333.75