Finding the Fourth Proportional to 52,736.04, 72,775.77 and 28,863.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,736.04 : 72,775.77 = 28,863.31 : x
2. Step 2: Convert to fraction form
   52,736.04/72,775.77 = 28,863.31/x
3. Step 3: Cross multiply
   52,736.04x = 72,775.77 × 28,863.31
4. Step 4: Simplify right side
   52,736.04x = 2,100,549,610.00
5. Step 5: Solve for x
   x = 2,100,549,610.00/52,736.04
6. Step 6: Final answer
   x = 39,831.39