Finding the Fourth Proportional to 1,369.69, 1,889.52 and 996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,369.69 : 1,889.52 = 996.50 : x
2. Step 2: Convert to fraction form
   1,369.69/1,889.52 = 996.50/x
3. Step 3: Cross multiply
   1,369.69x = 1,889.52 × 996.50
4. Step 4: Simplify right side
   1,369.69x = 1,882,906.68
5. Step 5: Solve for x
   x = 1,882,906.68/1,369.69
6. Step 6: Final answer
   x = 1,374.70