Finding the Fourth Proportional to 1,945.18, 2,684.36 and 1,148.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.18 : 2,684.36 = 1,148.52 : x
2. Step 2: Convert to fraction form
   1,945.18/2,684.36 = 1,148.52/x
3. Step 3: Cross multiply
   1,945.18x = 2,684.36 × 1,148.52
4. Step 4: Simplify right side
   1,945.18x = 3,083,044.02
5. Step 5: Solve for x
   x = 3,083,044.02/1,945.18
6. Step 6: Final answer
   x = 1,584.97