Finding the Fourth Proportional to 37,940.28, 52,362.54 and 21,176.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,940.28 : 52,362.54 = 21,176.76 : x
2. Step 2: Convert to fraction form
   37,940.28/52,362.54 = 21,176.76/x
3. Step 3: Cross multiply
   37,940.28x = 52,362.54 × 21,176.76
4. Step 4: Simplify right side
   37,940.28x = 1,108,868,942.57
5. Step 5: Solve for x
   x = 1,108,868,942.57/37,940.28
6. Step 6: Final answer
   x = 29,226.69