Finding the Fourth Proportional to 37,291.42, 55,923.81 and 12,326.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,291.42 : 55,923.81 = 12,326.86 : x
2. Step 2: Convert to fraction form
   37,291.42/55,923.81 = 12,326.86/x
3. Step 3: Cross multiply
   37,291.42x = 55,923.81 × 12,326.86
4. Step 4: Simplify right side
   37,291.42x = 689,364,976.54
5. Step 5: Solve for x
   x = 689,364,976.54/37,291.42
6. Step 6: Final answer
   x = 18,485.89