Finding the Fourth Proportional to 17,736.78, 24,476.27 and 9,779.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,736.78 : 24,476.27 = 9,779.01 : x
2. Step 2: Convert to fraction form
   17,736.78/24,476.27 = 9,779.01/x
3. Step 3: Cross multiply
   17,736.78x = 24,476.27 × 9,779.01
4. Step 4: Simplify right side
   17,736.78x = 239,353,640.20
5. Step 5: Solve for x
   x = 239,353,640.20/17,736.78
6. Step 6: Final answer
   x = 13,494.76