Finding the Fourth Proportional to 39,061.60, 53,903.99 and 22,067.60

Step by Step Solution

1. Step 1: Write the proportion equation
   39,061.60 : 53,903.99 = 22,067.60 : x
2. Step 2: Convert to fraction form
   39,061.60/53,903.99 = 22,067.60/x
3. Step 3: Cross multiply
   39,061.60x = 53,903.99 × 22,067.60
4. Step 4: Simplify right side
   39,061.60x = 1,189,531,475.37
5. Step 5: Solve for x
   x = 1,189,531,475.37/39,061.60
6. Step 6: Final answer
   x = 30,452.71