Finding the Fourth Proportional to 35,723.72, 49,301.52 and 19,811.28

Step by Step Solution

1. Step 1: Write the proportion equation
   35,723.72 : 49,301.52 = 19,811.28 : x
2. Step 2: Convert to fraction form
   35,723.72/49,301.52 = 19,811.28/x
3. Step 3: Cross multiply
   35,723.72x = 49,301.52 × 19,811.28
4. Step 4: Simplify right side
   35,723.72x = 976,726,217.15
5. Step 5: Solve for x
   x = 976,726,217.15/35,723.72
6. Step 6: Final answer
   x = 27,341.11