Finding the Fourth Proportional to 22,385.02, 30,891.46 and 12,314.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,385.02 : 30,891.46 = 12,314.10 : x
2. Step 2: Convert to fraction form
   22,385.02/30,891.46 = 12,314.10/x
3. Step 3: Cross multiply
   22,385.02x = 30,891.46 × 12,314.10
4. Step 4: Simplify right side
   22,385.02x = 380,400,527.59
5. Step 5: Solve for x
   x = 380,400,527.59/22,385.02
6. Step 6: Final answer
   x = 16,993.53