Finding the Fourth Proportional to 12,388.25, 17,095.81 and 7,083.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388.25 : 17,095.81 = 7,083.18 : x
2. Step 2: Convert to fraction form
   12,388.25/17,095.81 = 7,083.18/x
3. Step 3: Cross multiply
   12,388.25x = 17,095.81 × 7,083.18
4. Step 4: Simplify right side
   12,388.25x = 121,092,767.17
5. Step 5: Solve for x
   x = 121,092,767.17/12,388.25
6. Step 6: Final answer
   x = 9,774.81