Finding the Fourth Proportional to 9,203.78, 12,697.98 and 7,079.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,203.78 : 12,697.98 = 7,079.96 : x
2. Step 2: Convert to fraction form
   9,203.78/12,697.98 = 7,079.96/x
3. Step 3: Cross multiply
   9,203.78x = 12,697.98 × 7,079.96
4. Step 4: Simplify right side
   9,203.78x = 89,901,190.48
5. Step 5: Solve for x
   x = 89,901,190.48/9,203.78
6. Step 6: Final answer
   x = 9,767.86