Finding the Fourth Proportional to 36,940.42, 50,971.82 and 21,025.12

Step by Step Solution

1. Step 1: Write the proportion equation
   36,940.42 : 50,971.82 = 21,025.12 : x
2. Step 2: Convert to fraction form
   36,940.42/50,971.82 = 21,025.12/x
3. Step 3: Cross multiply
   36,940.42x = 50,971.82 × 21,025.12
4. Step 4: Simplify right side
   36,940.42x = 1,071,688,632.12
5. Step 5: Solve for x
   x = 1,071,688,632.12/36,940.42
6. Step 6: Final answer
   x = 29,011.27