Finding the Fourth Proportional to 1,947.83, 2,690.94 and 1,277.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.83 : 2,690.94 = 1,277.23 : x
2. Step 2: Convert to fraction form
   1,947.83/2,690.94 = 1,277.23/x
3. Step 3: Cross multiply
   1,947.83x = 2,690.94 × 1,277.23
4. Step 4: Simplify right side
   1,947.83x = 3,436,949.30
5. Step 5: Solve for x
   x = 3,436,949.30/1,947.83
6. Step 6: Final answer
   x = 1,764.50