Finding the Fourth Proportional to 52,843.05, 72,922.56 and 28,969.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,843.05 : 72,922.56 = 28,969.88 : x
2. Step 2: Convert to fraction form
   52,843.05/72,922.56 = 28,969.88/x
3. Step 3: Cross multiply
   52,843.05x = 72,922.56 × 28,969.88
4. Step 4: Simplify right side
   52,843.05x = 2,112,558,067.22
5. Step 5: Solve for x
   x = 2,112,558,067.22/52,843.05
6. Step 6: Final answer
   x = 39,977.98