Finding the Fourth Proportional to 11,388.11, 17,084.23 and 5,151.06

Step by Step Solution

1. Step 1: Write the proportion equation
   11,388.11 : 17,084.23 = 5,151.06 : x
2. Step 2: Convert to fraction form
   11,388.11/17,084.23 = 5,151.06/x
3. Step 3: Cross multiply
   11,388.11x = 17,084.23 × 5,151.06
4. Step 4: Simplify right side
   11,388.11x = 88,001,880.91
5. Step 5: Solve for x
   x = 88,001,880.91/11,388.11
6. Step 6: Final answer
   x = 7,727.53