Finding the Fourth Proportional to 9,853.98, 13,593.43 and 6,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.98 : 13,593.43 = 6,667.42 : x
2. Step 2: Convert to fraction form
   9,853.98/13,593.43 = 6,667.42/x
3. Step 3: Cross multiply
   9,853.98x = 13,593.43 × 6,667.42
4. Step 4: Simplify right side
   9,853.98x = 90,633,081.40
5. Step 5: Solve for x
   x = 90,633,081.40/9,853.98
6. Step 6: Final answer
   x = 9,197.61