Finding the Fourth Proportional to 35,610.72, 49,138.48 and 19,693

Step by Step Solution

1. Step 1: Write the proportion equation
   35,610.72 : 49,138.48 = 19,693 : x
2. Step 2: Convert to fraction form
   35,610.72/49,138.48 = 19,693/x
3. Step 3: Cross multiply
   35,610.72x = 49,138.48 × 19,693
4. Step 4: Simplify right side
   35,610.72x = 967,684,086.64
5. Step 5: Solve for x
   x = 967,684,086.64/35,610.72
6. Step 6: Final answer
   x = 27,173.95