Finding the Fourth Proportional to 1,338.50, 1,848.27 and 841.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.50 : 1,848.27 = 841.97 : x
2. Step 2: Convert to fraction form
   1,338.50/1,848.27 = 841.97/x
3. Step 3: Cross multiply
   1,338.50x = 1,848.27 × 841.97
4. Step 4: Simplify right side
   1,338.50x = 1,556,187.89
5. Step 5: Solve for x
   x = 1,556,187.89/1,338.50
6. Step 6: Final answer
   x = 1,162.64