Finding the Fourth Proportional to 12,283.12, 16,933.52 and 10,387.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,283.12 : 16,933.52 = 10,387.10 : x
2. Step 2: Convert to fraction form
   12,283.12/16,933.52 = 10,387.10/x
3. Step 3: Cross multiply
   12,283.12x = 16,933.52 × 10,387.10
4. Step 4: Simplify right side
   12,283.12x = 175,890,165.59
5. Step 5: Solve for x
   x = 175,890,165.59/12,283.12
6. Step 6: Final answer
   x = 14,319.67