Finding the Fourth Proportional to 35,697.78, 49,261.77 and 21,548.16

Step by Step Solution

1. Step 1: Write the proportion equation
   35,697.78 : 49,261.77 = 21,548.16 : x
2. Step 2: Convert to fraction form
   35,697.78/49,261.77 = 21,548.16/x
3. Step 3: Cross multiply
   35,697.78x = 49,261.77 × 21,548.16
4. Step 4: Simplify right side
   35,697.78x = 1,061,500,501.84
5. Step 5: Solve for x
   x = 1,061,500,501.84/35,697.78
6. Step 6: Final answer
   x = 29,735.76