Finding the Fourth Proportional to 37,256.30, 51,414.20 and 21,340.73

Step by Step Solution

1. Step 1: Write the proportion equation
   37,256.30 : 51,414.20 = 21,340.73 : x
2. Step 2: Convert to fraction form
   37,256.30/51,414.20 = 21,340.73/x
3. Step 3: Cross multiply
   37,256.30x = 51,414.20 × 21,340.73
4. Step 4: Simplify right side
   37,256.30x = 1,097,216,560.37
5. Step 5: Solve for x
   x = 1,097,216,560.37/37,256.30
6. Step 6: Final answer
   x = 29,450.50