Finding the Fourth Proportional to 37,127.98, 51,231.89 and 21,213.46

Step by Step Solution

1. Step 1: Write the proportion equation
   37,127.98 : 51,231.89 = 21,213.46 : x
2. Step 2: Convert to fraction form
   37,127.98/51,231.89 = 21,213.46/x
3. Step 3: Cross multiply
   37,127.98x = 51,231.89 × 21,213.46
4. Step 4: Simplify right side
   37,127.98x = 1,086,805,287.01
5. Step 5: Solve for x
   x = 1,086,805,287.01/37,127.98
6. Step 6: Final answer
   x = 29,271.87