Finding the Fourth Proportional to 52,772.56, 72,825.25 and 28,573.33

Step by Step Solution

1. Step 1: Write the proportion equation
   52,772.56 : 72,825.25 = 28,573.33 : x
2. Step 2: Convert to fraction form
   52,772.56/72,825.25 = 28,573.33/x
3. Step 3: Cross multiply
   52,772.56x = 72,825.25 × 28,573.33
4. Step 4: Simplify right side
   52,772.56x = 2,080,859,393.59
5. Step 5: Solve for x
   x = 2,080,859,393.59/52,772.56
6. Step 6: Final answer
   x = 39,430.71