Finding the Fourth Proportional to 9,836.79, 13,568.49 and 5,854.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.79 : 13,568.49 = 5,854.88 : x
2. Step 2: Convert to fraction form
   9,836.79/13,568.49 = 5,854.88/x
3. Step 3: Cross multiply
   9,836.79x = 13,568.49 × 5,854.88
4. Step 4: Simplify right side
   9,836.79x = 79,441,812.89
5. Step 5: Solve for x
   x = 79,441,812.89/9,836.79
6. Step 6: Final answer
   x = 8,075.99