Finding the Fourth Proportional to 22,003.30, 30,366.29 and 12,445.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,003.30 : 30,366.29 = 12,445.19 : x
2. Step 2: Convert to fraction form
   22,003.30/30,366.29 = 12,445.19/x
3. Step 3: Cross multiply
   22,003.30x = 30,366.29 × 12,445.19
4. Step 4: Simplify right side
   22,003.30x = 377,914,186.42
5. Step 5: Solve for x
   x = 377,914,186.42/22,003.30
6. Step 6: Final answer
   x = 17,175.35