Finding the Fourth Proportional to 22,385.09, 30,892.18 and 12,313.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,385.09 : 30,892.18 = 12,313.96 : x
2. Step 2: Convert to fraction form
   22,385.09/30,892.18 = 12,313.96/x
3. Step 3: Cross multiply
   22,385.09x = 30,892.18 × 12,313.96
4. Step 4: Simplify right side
   22,385.09x = 380,405,068.83
5. Step 5: Solve for x
   x = 380,405,068.83/22,385.09
6. Step 6: Final answer
   x = 16,993.68