Finding the Fourth Proportional to 37,662.24, 51,978 and 21,751.68

Step by Step Solution

1. Step 1: Write the proportion equation
   37,662.24 : 51,978 = 21,751.68 : x
2. Step 2: Convert to fraction form
   37,662.24/51,978 = 21,751.68/x
3. Step 3: Cross multiply
   37,662.24x = 51,978 × 21,751.68
4. Step 4: Simplify right side
   37,662.24x = 1,130,608,823.04
5. Step 5: Solve for x
   x = 1,130,608,823.04/37,662.24
6. Step 6: Final answer
   x = 30,019.69