Finding the Fourth Proportional to 35,611.72, 49,139.86 and 19,694

Step by Step Solution

1. Step 1: Write the proportion equation
   35,611.72 : 49,139.86 = 19,694 : x
2. Step 2: Convert to fraction form
   35,611.72/49,139.86 = 19,694/x
3. Step 3: Cross multiply
   35,611.72x = 49,139.86 × 19,694
4. Step 4: Simplify right side
   35,611.72x = 967,760,402.84
5. Step 5: Solve for x
   x = 967,760,402.84/35,611.72
6. Step 6: Final answer
   x = 27,175.33