Finding the Fourth Proportional to 1,945.37, 2,684.64 and 1,061.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.37 : 2,684.64 = 1,061.20 : x
2. Step 2: Convert to fraction form
   1,945.37/2,684.64 = 1,061.20/x
3. Step 3: Cross multiply
   1,945.37x = 2,684.64 × 1,061.20
4. Step 4: Simplify right side
   1,945.37x = 2,848,939.97
5. Step 5: Solve for x
   x = 2,848,939.97/1,945.37
6. Step 6: Final answer
   x = 1,464.47