Finding the Fourth Proportional to 52,733.98, 72,772.72 and 28,860.85

Step by Step Solution

1. Step 1: Write the proportion equation
   52,733.98 : 72,772.72 = 28,860.85 : x
2. Step 2: Convert to fraction form
   52,733.98/72,772.72 = 28,860.85/x
3. Step 3: Cross multiply
   52,733.98x = 72,772.72 × 28,860.85
4. Step 4: Simplify right side
   52,733.98x = 2,100,282,556.01
5. Step 5: Solve for x
   x = 2,100,282,556.01/52,733.98
6. Step 6: Final answer
   x = 39,827.88