Finding the Fourth Proportional to 13,033.98, 17,984.43 and 7,726.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,033.98 : 17,984.43 = 7,726.86 : x
2. Step 2: Convert to fraction form
   13,033.98/17,984.43 = 7,726.86/x
3. Step 3: Cross multiply
   13,033.98x = 17,984.43 × 7,726.86
4. Step 4: Simplify right side
   13,033.98x = 138,963,172.79
5. Step 5: Solve for x
   x = 138,963,172.79/13,033.98
6. Step 6: Final answer
   x = 10,661.61