Finding the Fourth Proportional to 1,945.39, 2,684.60 and 1,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.39 : 2,684.60 = 1,061.18 : x
2. Step 2: Convert to fraction form
   1,945.39/2,684.60 = 1,061.18/x
3. Step 3: Cross multiply
   1,945.39x = 2,684.60 × 1,061.18
4. Step 4: Simplify right side
   1,945.39x = 2,848,829.08
5. Step 5: Solve for x
   x = 2,848,829.08/1,945.39
6. Step 6: Final answer
   x = 1,464.40