Finding the Fourth Proportional to 1,394.72, 2,085.54 and 948.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,394.72 : 2,085.54 = 948.68 : x
2. Step 2: Convert to fraction form
   1,394.72/2,085.54 = 948.68/x
3. Step 3: Cross multiply
   1,394.72x = 2,085.54 × 948.68
4. Step 4: Simplify right side
   1,394.72x = 1,978,510.09
5. Step 5: Solve for x
   x = 1,978,510.09/1,394.72
6. Step 6: Final answer
   x = 1,418.57