Finding the Fourth Proportional to 12,356.24, 18,526.46 and 5,340.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,356.24 : 18,526.46 = 5,340.82 : x
2. Step 2: Convert to fraction form
   12,356.24/18,526.46 = 5,340.82/x
3. Step 3: Cross multiply
   12,356.24x = 18,526.46 × 5,340.82
4. Step 4: Simplify right side
   12,356.24x = 98,946,488.10
5. Step 5: Solve for x
   x = 98,946,488.10/12,356.24
6. Step 6: Final answer
   x = 8,007.82