Finding the Fourth Proportional to 17,055.50, 23,536.62 and 9,886.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,055.50 : 23,536.62 = 9,886.79 : x
2. Step 2: Convert to fraction form
   17,055.50/23,536.62 = 9,886.79/x
3. Step 3: Cross multiply
   17,055.50x = 23,536.62 × 9,886.79
4. Step 4: Simplify right side
   17,055.50x = 232,701,678.09
5. Step 5: Solve for x
   x = 232,701,678.09/17,055.50
6. Step 6: Final answer
   x = 13,643.80