Finding the Fourth Proportional to 35,905.02, 49,541.42 and 20,796.78

Step by Step Solution

1. Step 1: Write the proportion equation
   35,905.02 : 49,541.42 = 20,796.78 : x
2. Step 2: Convert to fraction form
   35,905.02/49,541.42 = 20,796.78/x
3. Step 3: Cross multiply
   35,905.02x = 49,541.42 × 20,796.78
4. Step 4: Simplify right side
   35,905.02x = 1,030,302,012.63
5. Step 5: Solve for x
   x = 1,030,302,012.63/35,905.02
6. Step 6: Final answer
   x = 28,695.21