Finding the Fourth Proportional to 11,436.48, 17,156.09 and 4,039.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,436.48 : 17,156.09 = 4,039.42 : x
2. Step 2: Convert to fraction form
   11,436.48/17,156.09 = 4,039.42/x
3. Step 3: Cross multiply
   11,436.48x = 17,156.09 × 4,039.42
4. Step 4: Simplify right side
   11,436.48x = 69,300,653.07
5. Step 5: Solve for x
   x = 69,300,653.07/11,436.48
6. Step 6: Final answer
   x = 6,059.61