Finding the Fourth Proportional to 12,388.32, 17,095.59 and 7,083.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388.32 : 17,095.59 = 7,083.09 : x
2. Step 2: Convert to fraction form
   12,388.32/17,095.59 = 7,083.09/x
3. Step 3: Cross multiply
   12,388.32x = 17,095.59 × 7,083.09
4. Step 4: Simplify right side
   12,388.32x = 121,089,602.57
5. Step 5: Solve for x
   x = 121,089,602.57/12,388.32
6. Step 6: Final answer
   x = 9,774.50