Finding the Fourth Proportional to 12,392.37, 17,095.89 and 7,356.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,392.37 : 17,095.89 = 7,356.80 : x
2. Step 2: Convert to fraction form
   12,392.37/17,095.89 = 7,356.80/x
3. Step 3: Cross multiply
   12,392.37x = 17,095.89 × 7,356.80
4. Step 4: Simplify right side
   12,392.37x = 125,771,043.55
5. Step 5: Solve for x
   x = 125,771,043.55/12,392.37
6. Step 6: Final answer
   x = 10,149.07