Finding the Fourth Proportional to 12,141.74, 16,765.71 and 8,175.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,141.74 : 16,765.71 = 8,175.98 : x
2. Step 2: Convert to fraction form
   12,141.74/16,765.71 = 8,175.98/x
3. Step 3: Cross multiply
   12,141.74x = 16,765.71 × 8,175.98
4. Step 4: Simplify right side
   12,141.74x = 137,076,109.65
5. Step 5: Solve for x
   x = 137,076,109.65/12,141.74
6. Step 6: Final answer
   x = 11,289.66