Finding the Fourth Proportional to 21,834.03, 30,130.31 and 12,274.01

Step by Step Solution

1. Step 1: Write the proportion equation
   21,834.03 : 30,130.31 = 12,274.01 : x
2. Step 2: Convert to fraction form
   21,834.03/30,130.31 = 12,274.01/x
3. Step 3: Cross multiply
   21,834.03x = 30,130.31 × 12,274.01
4. Step 4: Simplify right side
   21,834.03x = 369,819,620.23
5. Step 5: Solve for x
   x = 369,819,620.23/21,834.03
6. Step 6: Final answer
   x = 16,937.76