Finding the Fourth Proportional to 12,463.81, 17,189.22 and 10,784.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,463.81 : 17,189.22 = 10,784.68 : x
2. Step 2: Convert to fraction form
   12,463.81/17,189.22 = 10,784.68/x
3. Step 3: Cross multiply
   12,463.81x = 17,189.22 × 10,784.68
4. Step 4: Simplify right side
   12,463.81x = 185,380,237.15
5. Step 5: Solve for x
   x = 185,380,237.15/12,463.81
6. Step 6: Final answer
   x = 14,873.48