Finding the Fourth Proportional to 35,663.78, 49,215.41 and 19,747.89

Step by Step Solution

1. Step 1: Write the proportion equation
   35,663.78 : 49,215.41 = 19,747.89 : x
2. Step 2: Convert to fraction form
   35,663.78/49,215.41 = 19,747.89/x
3. Step 3: Cross multiply
   35,663.78x = 49,215.41 × 19,747.89
4. Step 4: Simplify right side
   35,663.78x = 971,900,436.86
5. Step 5: Solve for x
   x = 971,900,436.86/35,663.78
6. Step 6: Final answer
   x = 27,251.75