Finding the Fourth Proportional to 22,385.95, 30,892.10 and 12,314.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,385.95 : 30,892.10 = 12,314.18 : x
2. Step 2: Convert to fraction form
   22,385.95/30,892.10 = 12,314.18/x
3. Step 3: Cross multiply
   22,385.95x = 30,892.10 × 12,314.18
4. Step 4: Simplify right side
   22,385.95x = 380,410,879.98
5. Step 5: Solve for x
   x = 380,410,879.98/22,385.95
6. Step 6: Final answer
   x = 16,993.29