Finding the Fourth Proportional to 11,401.69, 17,102.59 and 5,154.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,401.69 : 17,102.59 = 5,154.39 : x
2. Step 2: Convert to fraction form
   11,401.69/17,102.59 = 5,154.39/x
3. Step 3: Cross multiply
   11,401.69x = 17,102.59 × 5,154.39
4. Step 4: Simplify right side
   11,401.69x = 88,153,333.36
5. Step 5: Solve for x
   x = 88,153,333.36/11,401.69
6. Step 6: Final answer
   x = 7,731.61