Finding the Fourth Proportional to 13,005.41, 17,946.27 and 7,338.65

Step by Step Solution

1. Step 1: Write the proportion equation
   13,005.41 : 17,946.27 = 7,338.65 : x
2. Step 2: Convert to fraction form
   13,005.41/17,946.27 = 7,338.65/x
3. Step 3: Cross multiply
   13,005.41x = 17,946.27 × 7,338.65
4. Step 4: Simplify right side
   13,005.41x = 131,701,304.60
5. Step 5: Solve for x
   x = 131,701,304.60/13,005.41
6. Step 6: Final answer
   x = 10,126.66