Finding the Fourth Proportional to 1,945.83, 2,918.52 and 1,325.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.83 : 2,918.52 = 1,325.16 : x
2. Step 2: Convert to fraction form
   1,945.83/2,918.52 = 1,325.16/x
3. Step 3: Cross multiply
   1,945.83x = 2,918.52 × 1,325.16
4. Step 4: Simplify right side
   1,945.83x = 3,867,505.96
5. Step 5: Solve for x
   x = 3,867,505.96/1,945.83
6. Step 6: Final answer
   x = 1,987.59