Finding the Fourth Proportional to 42,873.96, 64,350.41 and 21,829.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,873.96 : 64,350.41 = 21,829.04 : x
2. Step 2: Convert to fraction form
   42,873.96/64,350.41 = 21,829.04/x
3. Step 3: Cross multiply
   42,873.96x = 64,350.41 × 21,829.04
4. Step 4: Simplify right side
   42,873.96x = 1,404,707,673.91
5. Step 5: Solve for x
   x = 1,404,707,673.91/42,873.96
6. Step 6: Final answer
   x = 32,763.66