Finding the Fourth Proportional to 52,733.88, 72,771.48 and 28,860.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,733.88 : 72,771.48 = 28,860.72 : x
2. Step 2: Convert to fraction form
   52,733.88/72,771.48 = 28,860.72/x
3. Step 3: Cross multiply
   52,733.88x = 72,771.48 × 28,860.72
4. Step 4: Simplify right side
   52,733.88x = 2,100,237,308.27
5. Step 5: Solve for x
   x = 2,100,237,308.27/52,733.88
6. Step 6: Final answer
   x = 39,827.10