Finding the Fourth Proportional to 1,946.58, 2,685.81 and 1,107.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.58 : 2,685.81 = 1,107.09 : x
2. Step 2: Convert to fraction form
   1,946.58/2,685.81 = 1,107.09/x
3. Step 3: Cross multiply
   1,946.58x = 2,685.81 × 1,107.09
4. Step 4: Simplify right side
   1,946.58x = 2,973,433.39
5. Step 5: Solve for x
   x = 2,973,433.39/1,946.58
6. Step 6: Final answer
   x = 1,527.52