Finding the Fourth Proportional to 9,853.83, 13,593.94 and 6,665.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.83 : 13,593.94 = 6,665.99 : x
2. Step 2: Convert to fraction form
   9,853.83/13,593.94 = 6,665.99/x
3. Step 3: Cross multiply
   9,853.83x = 13,593.94 × 6,665.99
4. Step 4: Simplify right side
   9,853.83x = 90,616,983.47
5. Step 5: Solve for x
   x = 90,616,983.47/9,853.83
6. Step 6: Final answer
   x = 9,196.12