Finding the Fourth Proportional to 22,356.06, 30,849.82 and 13,399.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,356.06 : 30,849.82 = 13,399.08 : x
2. Step 2: Convert to fraction form
   22,356.06/30,849.82 = 13,399.08/x
3. Step 3: Cross multiply
   22,356.06x = 30,849.82 × 13,399.08
4. Step 4: Simplify right side
   22,356.06x = 413,359,206.17
5. Step 5: Solve for x
   x = 413,359,206.17/22,356.06
6. Step 6: Final answer
   x = 18,489.81