Finding the Fourth Proportional to 22,371.66, 30,872.10 and 12,300.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,371.66 : 30,872.10 = 12,300.02 : x
2. Step 2: Convert to fraction form
   22,371.66/30,872.10 = 12,300.02/x
3. Step 3: Cross multiply
   22,371.66x = 30,872.10 × 12,300.02
4. Step 4: Simplify right side
   22,371.66x = 379,727,308.76
5. Step 5: Solve for x
   x = 379,727,308.76/22,371.66
6. Step 6: Final answer
   x = 16,973.59