Finding the Fourth Proportional to 52,577.94, 72,556.56 and 28,704.80

Step by Step Solution

1. Step 1: Write the proportion equation
   52,577.94 : 72,556.56 = 28,704.80 : x
2. Step 2: Convert to fraction form
   52,577.94/72,556.56 = 28,704.80/x
3. Step 3: Cross multiply
   52,577.94x = 72,556.56 × 28,704.80
4. Step 4: Simplify right side
   52,577.94x = 2,082,721,543.49
5. Step 5: Solve for x
   x = 2,082,721,543.49/52,577.94
6. Step 6: Final answer
   x = 39,612.08