Finding the Fourth Proportional to 52,833.09, 72,908.51 and 28,959.25

Step by Step Solution

1. Step 1: Write the proportion equation
   52,833.09 : 72,908.51 = 28,959.25 : x
2. Step 2: Convert to fraction form
   52,833.09/72,908.51 = 28,959.25/x
3. Step 3: Cross multiply
   52,833.09x = 72,908.51 × 28,959.25
4. Step 4: Simplify right side
   52,833.09x = 2,111,375,768.22
5. Step 5: Solve for x
   x = 2,111,375,768.22/52,833.09
6. Step 6: Final answer
   x = 39,963.13