Finding the Fourth Proportional to 11,377.28, 17,058.55 and 5,454.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,377.28 : 17,058.55 = 5,454.02 : x
2. Step 2: Convert to fraction form
   11,377.28/17,058.55 = 5,454.02/x
3. Step 3: Cross multiply
   11,377.28x = 17,058.55 × 5,454.02
4. Step 4: Simplify right side
   11,377.28x = 93,037,616.15
5. Step 5: Solve for x
   x = 93,037,616.15/11,377.28
6. Step 6: Final answer
   x = 8,177.49