Finding the Fourth Proportional to 9,833.78, 13,570.68 and 5,855.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,833.78 : 13,570.68 = 5,855.04 : x
2. Step 2: Convert to fraction form
   9,833.78/13,570.68 = 5,855.04/x
3. Step 3: Cross multiply
   9,833.78x = 13,570.68 × 5,855.04
4. Step 4: Simplify right side
   9,833.78x = 79,456,874.23
5. Step 5: Solve for x
   x = 79,456,874.23/9,833.78
6. Step 6: Final answer
   x = 8,079.99