Finding the Fourth Proportional to 11,617.56, 17,416.55 and 5,038.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,617.56 : 17,416.55 = 5,038.79 : x
2. Step 2: Convert to fraction form
   11,617.56/17,416.55 = 5,038.79/x
3. Step 3: Cross multiply
   11,617.56x = 17,416.55 × 5,038.79
4. Step 4: Simplify right side
   11,617.56x = 87,758,356.32
5. Step 5: Solve for x
   x = 87,758,356.32/11,617.56
6. Step 6: Final answer
   x = 7,553.94