Finding the Fourth Proportional to 22,371.39, 30,872.53 and 12,300.00

Step by Step Solution

1. Step 1: Write the proportion equation
   22,371.39 : 30,872.53 = 12,300.00 : x
2. Step 2: Convert to fraction form
   22,371.39/30,872.53 = 12,300.00/x
3. Step 3: Cross multiply
   22,371.39x = 30,872.53 × 12,300.00
4. Step 4: Simplify right side
   22,371.39x = 379,731,903.14
5. Step 5: Solve for x
   x = 379,731,903.14/22,371.39
6. Step 6: Final answer
   x = 16,974.00