Finding the Fourth Proportional to 22,003.02, 30,363.75 and 12,442.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,003.02 : 30,363.75 = 12,442.77 : x
2. Step 2: Convert to fraction form
   22,003.02/30,363.75 = 12,442.77/x
3. Step 3: Cross multiply
   22,003.02x = 30,363.75 × 12,442.77
4. Step 4: Simplify right side
   22,003.02x = 377,809,157.59
5. Step 5: Solve for x
   x = 377,809,157.59/22,003.02
6. Step 6: Final answer
   x = 17,170.79