Finding the Fourth Proportional to 12,173.86, 18,262.50 and 3,853

Step by Step Solution

1. Step 1: Write the proportion equation
   12,173.86 : 18,262.50 = 3,853 : x
2. Step 2: Convert to fraction form
   12,173.86/18,262.50 = 3,853/x
3. Step 3: Cross multiply
   12,173.86x = 18,262.50 × 3,853
4. Step 4: Simplify right side
   12,173.86x = 70,365,412.50
5. Step 5: Solve for x
   x = 70,365,412.50/12,173.86
6. Step 6: Final answer
   x = 5,780.04