Finding the Fourth Proportional to 11,417.19, 17,128.55 and 3,626.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,417.19 : 17,128.55 = 3,626.07 : x
2. Step 2: Convert to fraction form
   11,417.19/17,128.55 = 3,626.07/x
3. Step 3: Cross multiply
   11,417.19x = 17,128.55 × 3,626.07
4. Step 4: Simplify right side
   11,417.19x = 62,109,321.30
5. Step 5: Solve for x
   x = 62,109,321.30/11,417.19
6. Step 6: Final answer
   x = 5,439.98