Finding the Fourth Proportional to 35,680.53, 49,192.46 and 30,698.28

Step by Step Solution

1. Step 1: Write the proportion equation
   35,680.53 : 49,192.46 = 30,698.28 : x
2. Step 2: Convert to fraction form
   35,680.53/49,192.46 = 30,698.28/x
3. Step 3: Cross multiply
   35,680.53x = 49,192.46 × 30,698.28
4. Step 4: Simplify right side
   35,680.53x = 1,510,123,757.48
5. Step 5: Solve for x
   x = 1,510,123,757.48/35,680.53
6. Step 6: Final answer
   x = 42,323.47