Finding the Fourth Proportional to 35,857.30, 49,484.27 and 19,725.28

Step by Step Solution

1. Step 1: Write the proportion equation
   35,857.30 : 49,484.27 = 19,725.28 : x
2. Step 2: Convert to fraction form
   35,857.30/49,484.27 = 19,725.28/x
3. Step 3: Cross multiply
   35,857.30x = 49,484.27 × 19,725.28
4. Step 4: Simplify right side
   35,857.30x = 976,091,081.35
5. Step 5: Solve for x
   x = 976,091,081.35/35,857.30
6. Step 6: Final answer
   x = 27,221.54