Finding the Fourth Proportional to 52,644.78, 72,650.76 and 28,773

Step by Step Solution

1. Step 1: Write the proportion equation
   52,644.78 : 72,650.76 = 28,773 : x
2. Step 2: Convert to fraction form
   52,644.78/72,650.76 = 28,773/x
3. Step 3: Cross multiply
   52,644.78x = 72,650.76 × 28,773
4. Step 4: Simplify right side
   52,644.78x = 2,090,380,317.48
5. Step 5: Solve for x
   x = 2,090,380,317.48/52,644.78
6. Step 6: Final answer
   x = 39,707.27