Finding the Fourth Proportional to 38,964.43, 53,769.83 and 21,968.52

Step by Step Solution

1. Step 1: Write the proportion equation
   38,964.43 : 53,769.83 = 21,968.52 : x
2. Step 2: Convert to fraction form
   38,964.43/53,769.83 = 21,968.52/x
3. Step 3: Cross multiply
   38,964.43x = 53,769.83 × 21,968.52
4. Step 4: Simplify right side
   38,964.43x = 1,181,243,775.10
5. Step 5: Solve for x
   x = 1,181,243,775.10/38,964.43
6. Step 6: Final answer
   x = 30,315.95