Finding the Fourth Proportional to 35,589.31, 49,109.00 and 19,671.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,589.31 : 49,109.00 = 19,671.60 : x
2. Step 2: Convert to fraction form
   35,589.31/49,109.00 = 19,671.60/x
3. Step 3: Cross multiply
   35,589.31x = 49,109.00 × 19,671.60
4. Step 4: Simplify right side
   35,589.31x = 966,052,383.27
5. Step 5: Solve for x
   x = 966,052,383.27/35,589.31
6. Step 6: Final answer
   x = 27,144.45