Finding the Fourth Proportional to 21,834.82, 30,132.06 and 11,898.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,834.82 : 30,132.06 = 11,898.82 : x
2. Step 2: Convert to fraction form
   21,834.82/30,132.06 = 11,898.82/x
3. Step 3: Cross multiply
   21,834.82x = 30,132.06 × 11,898.82
4. Step 4: Simplify right side
   21,834.82x = 358,535,958.17
5. Step 5: Solve for x
   x = 358,535,958.17/21,834.82
6. Step 6: Final answer
   x = 16,420.38