Finding the Fourth Proportional to 22,385.69, 30,892.33 and 12,314.90

Step by Step Solution

1. Step 1: Write the proportion equation
   22,385.69 : 30,892.33 = 12,314.90 : x
2. Step 2: Convert to fraction form
   22,385.69/30,892.33 = 12,314.90/x
3. Step 3: Cross multiply
   22,385.69x = 30,892.33 × 12,314.90
4. Step 4: Simplify right side
   22,385.69x = 380,435,966.33
5. Step 5: Solve for x
   x = 380,435,966.33/22,385.69
6. Step 6: Final answer
   x = 16,994.60