Finding the Fourth Proportional to 9,403.50, 12,976.83 and 5,212.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,403.50 : 12,976.83 = 5,212.02 : x
2. Step 2: Convert to fraction form
   9,403.50/12,976.83 = 5,212.02/x
3. Step 3: Cross multiply
   9,403.50x = 12,976.83 × 5,212.02
4. Step 4: Simplify right side
   9,403.50x = 67,635,497.50
5. Step 5: Solve for x
   x = 67,635,497.50/9,403.50
6. Step 6: Final answer
   x = 7,192.59