Finding the Fourth Proportional to 12,393.37, 17,097.99 and 7,085.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,393.37 : 17,097.99 = 7,085.34 : x
2. Step 2: Convert to fraction form
   12,393.37/17,097.99 = 7,085.34/x
3. Step 3: Cross multiply
   12,393.37x = 17,097.99 × 7,085.34
4. Step 4: Simplify right side
   12,393.37x = 121,145,045.90
5. Step 5: Solve for x
   x = 121,145,045.90/12,393.37
6. Step 6: Final answer
   x = 9,774.99