Finding the Fourth Proportional to 1,728.49, 2,385.30 and 942.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728.49 : 2,385.30 = 942.52 : x
2. Step 2: Convert to fraction form
   1,728.49/2,385.30 = 942.52/x
3. Step 3: Cross multiply
   1,728.49x = 2,385.30 × 942.52
4. Step 4: Simplify right side
   1,728.49x = 2,248,192.96
5. Step 5: Solve for x
   x = 2,248,192.96/1,728.49
6. Step 6: Final answer
   x = 1,300.67