Finding the Fourth Proportional to 1,728.04, 2,384.69 and 942.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728.04 : 2,384.69 = 942.07 : x
2. Step 2: Convert to fraction form
   1,728.04/2,384.69 = 942.07/x
3. Step 3: Cross multiply
   1,728.04x = 2,384.69 × 942.07
4. Step 4: Simplify right side
   1,728.04x = 2,246,544.91
5. Step 5: Solve for x
   x = 2,246,544.91/1,728.04
6. Step 6: Final answer
   x = 1,300.05