Finding the Fourth Proportional to 35,704.56, 49,266.72 and 20,597.80

Step by Step Solution

1. Step 1: Write the proportion equation
   35,704.56 : 49,266.72 = 20,597.80 : x
2. Step 2: Convert to fraction form
   35,704.56/49,266.72 = 20,597.80/x
3. Step 3: Cross multiply
   35,704.56x = 49,266.72 × 20,597.80
4. Step 4: Simplify right side
   35,704.56x = 1,014,786,045.22
5. Step 5: Solve for x
   x = 1,014,786,045.22/35,704.56
6. Step 6: Final answer
   x = 28,421.75