Finding the Fourth Proportional to 35,664.78, 49,216.79 and 19,748.89

Step by Step Solution

1. Step 1: Write the proportion equation
   35,664.78 : 49,216.79 = 19,748.89 : x
2. Step 2: Convert to fraction form
   35,664.78/49,216.79 = 19,748.89/x
3. Step 3: Cross multiply
   35,664.78x = 49,216.79 × 19,748.89
4. Step 4: Simplify right side
   35,664.78x = 971,976,971.86
5. Step 5: Solve for x
   x = 971,976,971.86/35,664.78
6. Step 6: Final answer
   x = 27,253.13