Finding the Fourth Proportional to 2,819.52, 3,891.42 and 1,937.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.52 : 3,891.42 = 1,937.34 : x
2. Step 2: Convert to fraction form
   2,819.52/3,891.42 = 1,937.34/x
3. Step 3: Cross multiply
   2,819.52x = 3,891.42 × 1,937.34
4. Step 4: Simplify right side
   2,819.52x = 7,539,003.62
5. Step 5: Solve for x
   x = 7,539,003.62/2,819.52
6. Step 6: Final answer
   x = 2,673.86