Finding the Fourth Proportional to 21,972.35, 30,323.71 and 12,414.00

Step by Step Solution

1. Step 1: Write the proportion equation
   21,972.35 : 30,323.71 = 12,414.00 : x
2. Step 2: Convert to fraction form
   21,972.35/30,323.71 = 12,414.00/x
3. Step 3: Cross multiply
   21,972.35x = 30,323.71 × 12,414.00
4. Step 4: Simplify right side
   21,972.35x = 376,438,437.74
5. Step 5: Solve for x
   x = 376,438,437.74/21,972.35
6. Step 6: Final answer
   x = 17,132.37