Finding the Fourth Proportional to 35,641.69, 49,185.53 and 19,728.53

Step by Step Solution

1. Step 1: Write the proportion equation
   35,641.69 : 49,185.53 = 19,728.53 : x
2. Step 2: Convert to fraction form
   35,641.69/49,185.53 = 19,728.53/x
3. Step 3: Cross multiply
   35,641.69x = 49,185.53 × 19,728.53
4. Step 4: Simplify right side
   35,641.69x = 970,358,118.03
5. Step 5: Solve for x
   x = 970,358,118.03/35,641.69
6. Step 6: Final answer
   x = 27,225.37