Finding the Fourth Proportional to 12,388.74, 17,096.67 and 7,083.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,388.74 : 17,096.67 = 7,083.60 : x
2. Step 2: Convert to fraction form
   12,388.74/17,096.67 = 7,083.60/x
3. Step 3: Cross multiply
   12,388.74x = 17,096.67 × 7,083.60
4. Step 4: Simplify right side
   12,388.74x = 121,105,971.61
5. Step 5: Solve for x
   x = 121,105,971.61/12,388.74
6. Step 6: Final answer
   x = 9,775.49