Finding the Fourth Proportional to 37,241.89, 51,388.46 and 21,919.33

Step by Step Solution

1. Step 1: Write the proportion equation
   37,241.89 : 51,388.46 = 21,919.33 : x
2. Step 2: Convert to fraction form
   37,241.89/51,388.46 = 21,919.33/x
3. Step 3: Cross multiply
   37,241.89x = 51,388.46 × 21,919.33
4. Step 4: Simplify right side
   37,241.89x = 1,126,400,612.93
5. Step 5: Solve for x
   x = 1,126,400,612.93/37,241.89
6. Step 6: Final answer
   x = 30,245.53