Finding the Fourth Proportional to 2,620.83, 3,922.72 and 1,927.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,620.83 : 3,922.72 = 1,927.36 : x
2. Step 2: Convert to fraction form
   2,620.83/3,922.72 = 1,927.36/x
3. Step 3: Cross multiply
   2,620.83x = 3,922.72 × 1,927.36
4. Step 4: Simplify right side
   2,620.83x = 7,560,493.62
5. Step 5: Solve for x
   x = 7,560,493.62/2,620.83
6. Step 6: Final answer
   x = 2,884.77