Finding the Fourth Proportional to 17,736.69, 24,476.83 and 9,779.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,736.69 : 24,476.83 = 9,779.21 : x
2. Step 2: Convert to fraction form
   17,736.69/24,476.83 = 9,779.21/x
3. Step 3: Cross multiply
   17,736.69x = 24,476.83 × 9,779.21
4. Step 4: Simplify right side
   17,736.69x = 239,363,913.87
5. Step 5: Solve for x
   x = 239,363,913.87/17,736.69
6. Step 6: Final answer
   x = 13,495.41