Finding the Fourth Proportional to 1,445.41, 1,993.30 and 948.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.41 : 1,993.30 = 948.48 : x
2. Step 2: Convert to fraction form
   1,445.41/1,993.30 = 948.48/x
3. Step 3: Cross multiply
   1,445.41x = 1,993.30 × 948.48
4. Step 4: Simplify right side
   1,445.41x = 1,890,605.18
5. Step 5: Solve for x
   x = 1,890,605.18/1,445.41
6. Step 6: Final answer
   x = 1,308.01