Finding the Fourth Proportional to 1,445.16, 1,995.12 and 948.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.16 : 1,995.12 = 948.24 : x
2. Step 2: Convert to fraction form
   1,445.16/1,995.12 = 948.24/x
3. Step 3: Cross multiply
   1,445.16x = 1,995.12 × 948.24
4. Step 4: Simplify right side
   1,445.16x = 1,891,852.59
5. Step 5: Solve for x
   x = 1,891,852.59/1,445.16
6. Step 6: Final answer
   x = 1,309.10