Finding the Fourth Proportional to 17,111.14, 23,612.02 and 9,556.87

Step by Step Solution

1. Step 1: Write the proportion equation
   17,111.14 : 23,612.02 = 9,556.87 : x
2. Step 2: Convert to fraction form
   17,111.14/23,612.02 = 9,556.87/x
3. Step 3: Cross multiply
   17,111.14x = 23,612.02 × 9,556.87
4. Step 4: Simplify right side
   17,111.14x = 225,657,005.58
5. Step 5: Solve for x
   x = 225,657,005.58/17,111.14
6. Step 6: Final answer
   x = 13,187.72