Finding the Fourth Proportional to 37,287.33, 51,456.69 and 21,372.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,287.33 : 51,456.69 = 21,372.72 : x
2. Step 2: Convert to fraction form
   37,287.33/51,456.69 = 21,372.72/x
3. Step 3: Cross multiply
   37,287.33x = 51,456.69 × 21,372.72
4. Step 4: Simplify right side
   37,287.33x = 1,099,769,427.50
5. Step 5: Solve for x
   x = 1,099,769,427.50/37,287.33
6. Step 6: Final answer
   x = 29,494.45