Finding the Fourth Proportional to 1,369.94, 1,890.52 and 740.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.94 : 1,890.52 = 740.47 : x
2. Step 2: Convert to fraction form
   1,369.94/1,890.52 = 740.47/x
3. Step 3: Cross multiply
   1,369.94x = 1,890.52 × 740.47
4. Step 4: Simplify right side
   1,369.94x = 1,399,873.34
5. Step 5: Solve for x
   x = 1,399,873.34/1,369.94
6. Step 6: Final answer
   x = 1,021.85