Finding the Fourth Proportional to 9,823.93, 13,557.17 and 5,574.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,823.93 : 13,557.17 = 5,574.88 : x
2. Step 2: Convert to fraction form
   9,823.93/13,557.17 = 5,574.88/x
3. Step 3: Cross multiply
   9,823.93x = 13,557.17 × 5,574.88
4. Step 4: Simplify right side
   9,823.93x = 75,579,550.51
5. Step 5: Solve for x
   x = 75,579,550.51/9,823.93
6. Step 6: Final answer
   x = 7,693.41