Finding the Fourth Proportional to 38,451.33, 53,060.81 and 21,683.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,451.33 : 53,060.81 = 21,683.25 : x
2. Step 2: Convert to fraction form
   38,451.33/53,060.81 = 21,683.25/x
3. Step 3: Cross multiply
   38,451.33x = 53,060.81 × 21,683.25
4. Step 4: Simplify right side
   38,451.33x = 1,150,530,700.02
5. Step 5: Solve for x
   x = 1,150,530,700.02/38,451.33
6. Step 6: Final answer
   x = 29,921.74