Finding the Fourth Proportional to 9,827.62, 13,561.83 and 5,579.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,827.62 : 13,561.83 = 5,579.07 : x
2. Step 2: Convert to fraction form
   9,827.62/13,561.83 = 5,579.07/x
3. Step 3: Cross multiply
   9,827.62x = 13,561.83 × 5,579.07
4. Step 4: Simplify right side
   9,827.62x = 75,662,348.04
5. Step 5: Solve for x
   x = 75,662,348.04/9,827.62
6. Step 6: Final answer
   x = 7,698.95