Finding the Fourth Proportional to 35,485.38, 53,201.34 and 21,442.41

Step by Step Solution

1. Step 1: Write the proportion equation
   35,485.38 : 53,201.34 = 21,442.41 : x
2. Step 2: Convert to fraction form
   35,485.38/53,201.34 = 21,442.41/x
3. Step 3: Cross multiply
   35,485.38x = 53,201.34 × 21,442.41
4. Step 4: Simplify right side
   35,485.38x = 1,140,764,944.83
5. Step 5: Solve for x
   x = 1,140,764,944.83/35,485.38
6. Step 6: Final answer
   x = 32,147.46