Finding the Fourth Proportional to 37,308.42, 55,976 and 18,586.79

Step by Step Solution

1. Step 1: Write the proportion equation
   37,308.42 : 55,976 = 18,586.79 : x
2. Step 2: Convert to fraction form
   37,308.42/55,976 = 18,586.79/x
3. Step 3: Cross multiply
   37,308.42x = 55,976 × 18,586.79
4. Step 4: Simplify right side
   37,308.42x = 1,040,414,157.04
5. Step 5: Solve for x
   x = 1,040,414,157.04/37,308.42
6. Step 6: Final answer
   x = 27,886.85