Finding the Fourth Proportional to 52,577.78, 72,557.57 and 28,704.98

Step by Step Solution

1. Step 1: Write the proportion equation
   52,577.78 : 72,557.57 = 28,704.98 : x
2. Step 2: Convert to fraction form
   52,577.78/72,557.57 = 28,704.98/x
3. Step 3: Cross multiply
   52,577.78x = 72,557.57 × 28,704.98
4. Step 4: Simplify right side
   52,577.78x = 2,082,763,848.85
5. Step 5: Solve for x
   x = 2,082,763,848.85/52,577.78
6. Step 6: Final answer
   x = 39,613.01