Finding the Fourth Proportional to 17,828.24, 24,603.32 and 9,870.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,828.24 : 24,603.32 = 9,870.24 : x
2. Step 2: Convert to fraction form
   17,828.24/24,603.32 = 9,870.24/x
3. Step 3: Cross multiply
   17,828.24x = 24,603.32 × 9,870.24
4. Step 4: Simplify right side
   17,828.24x = 242,840,673.20
5. Step 5: Solve for x
   x = 242,840,673.20/17,828.24
6. Step 6: Final answer
   x = 13,621.12