Finding the Fourth Proportional to 11,398.15, 17,098.41 and 3,078.22

Step by Step Solution

1. Step 1: Write the proportion equation
   11,398.15 : 17,098.41 = 3,078.22 : x
2. Step 2: Convert to fraction form
   11,398.15/17,098.41 = 3,078.22/x
3. Step 3: Cross multiply
   11,398.15x = 17,098.41 × 3,078.22
4. Step 4: Simplify right side
   11,398.15x = 52,632,667.63
5. Step 5: Solve for x
   x = 52,632,667.63/11,398.15
6. Step 6: Final answer
   x = 4,617.65