Finding the Fourth Proportional to 28,843.98, 39,789.27 and 19,895.91

Step by Step Solution

1. Step 1: Write the proportion equation
   28,843.98 : 39,789.27 = 19,895.91 : x
2. Step 2: Convert to fraction form
   28,843.98/39,789.27 = 19,895.91/x
3. Step 3: Cross multiply
   28,843.98x = 39,789.27 × 19,895.91
4. Step 4: Simplify right side
   28,843.98x = 791,643,734.89
5. Step 5: Solve for x
   x = 791,643,734.89/28,843.98
6. Step 6: Final answer
   x = 27,445.72