Finding the Fourth Proportional to 52,833.33, 72,908.85 and 28,959.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,833.33 : 72,908.85 = 28,959.50 : x
2. Step 2: Convert to fraction form
   52,833.33/72,908.85 = 28,959.50/x
3. Step 3: Cross multiply
   52,833.33x = 72,908.85 × 28,959.50
4. Step 4: Simplify right side
   52,833.33x = 2,111,403,477.03
5. Step 5: Solve for x
   x = 2,111,403,477.03/52,833.33
6. Step 6: Final answer
   x = 39,963.48