Finding the Fourth Proportional to 12,393.92, 17,099.42 and 7,084.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,393.92 : 17,099.42 = 7,084.98 : x
2. Step 2: Convert to fraction form
   12,393.92/17,099.42 = 7,084.98/x
3. Step 3: Cross multiply
   12,393.92x = 17,099.42 × 7,084.98
4. Step 4: Simplify right side
   12,393.92x = 121,149,048.71
5. Step 5: Solve for x
   x = 121,149,048.71/12,393.92
6. Step 6: Final answer
   x = 9,774.88