Finding the Fourth Proportional to 37,262.98, 51,410.34 and 21,128.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,262.98 : 51,410.34 = 21,128.56 : x
2. Step 2: Convert to fraction form
   37,262.98/51,410.34 = 21,128.56/x
3. Step 3: Cross multiply
   37,262.98x = 51,410.34 × 21,128.56
4. Step 4: Simplify right side
   37,262.98x = 1,086,226,453.31
5. Step 5: Solve for x
   x = 1,086,226,453.31/37,262.98
6. Step 6: Final answer
   x = 29,150.28