Finding the Fourth Proportional to 35,728.72, 49,308.42 and 19,816.28

Step by Step Solution

1. Step 1: Write the proportion equation
   35,728.72 : 49,308.42 = 19,816.28 : x
2. Step 2: Convert to fraction form
   35,728.72/49,308.42 = 19,816.28/x
3. Step 3: Cross multiply
   35,728.72x = 49,308.42 × 19,816.28
4. Step 4: Simplify right side
   35,728.72x = 977,109,457.08
5. Step 5: Solve for x
   x = 977,109,457.08/35,728.72
6. Step 6: Final answer
   x = 27,348.01