Finding the Fourth Proportional to 9,823.52, 13,569.72 and 9,123.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,823.52 : 13,569.72 = 9,123.68 : x
2. Step 2: Convert to fraction form
   9,823.52/13,569.72 = 9,123.68/x
3. Step 3: Cross multiply
   9,823.52x = 13,569.72 × 9,123.68
4. Step 4: Simplify right side
   9,823.52x = 123,805,782.97
5. Step 5: Solve for x
   x = 123,805,782.97/9,823.52
6. Step 6: Final answer
   x = 12,603.00