Finding the Fourth Proportional to 9,823.96, 13,557.35 and 5,574.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,823.96 : 13,557.35 = 5,574.91 : x
2. Step 2: Convert to fraction form
   9,823.96/13,557.35 = 5,574.91/x
3. Step 3: Cross multiply
   9,823.96x = 13,557.35 × 5,574.91
4. Step 4: Simplify right side
   9,823.96x = 75,581,006.09
5. Step 5: Solve for x
   x = 75,581,006.09/9,823.96
6. Step 6: Final answer
   x = 7,693.54