Finding the Fourth Proportional to 52,801.88, 72,866.59 and 28,929.45

Step by Step Solution

1. Step 1: Write the proportion equation
   52,801.88 : 72,866.59 = 28,929.45 : x
2. Step 2: Convert to fraction form
   52,801.88/72,866.59 = 28,929.45/x
3. Step 3: Cross multiply
   52,801.88x = 72,866.59 × 28,929.45
4. Step 4: Simplify right side
   52,801.88x = 2,107,990,573.00
5. Step 5: Solve for x
   x = 2,107,990,573.00/52,801.88
6. Step 6: Final answer
   x = 39,922.65