Finding the Fourth Proportional to 11,398.50, 17,098.71 and 3,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,398.50 : 17,098.71 = 3,190.50 : x
2. Step 2: Convert to fraction form
   11,398.50/17,098.71 = 3,190.50/x
3. Step 3: Cross multiply
   11,398.50x = 17,098.71 × 3,190.50
4. Step 4: Simplify right side
   11,398.50x = 54,553,434.26
5. Step 5: Solve for x
   x = 54,553,434.26/11,398.50
6. Step 6: Final answer
   x = 4,786.02