Finding the Fourth Proportional to 1,945.42, 2,684.75 and 1,106.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.42 : 2,684.75 = 1,106.09 : x
2. Step 2: Convert to fraction form
   1,945.42/2,684.75 = 1,106.09/x
3. Step 3: Cross multiply
   1,945.42x = 2,684.75 × 1,106.09
4. Step 4: Simplify right side
   1,945.42x = 2,969,587.56
5. Step 5: Solve for x
   x = 2,969,587.56/1,945.42
6. Step 6: Final answer
   x = 1,526.45