Finding the Fourth Proportional to 1,427.54, 1,969.98 and 837.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.54 : 1,969.98 = 837.96 : x
2. Step 2: Convert to fraction form
   1,427.54/1,969.98 = 837.96/x
3. Step 3: Cross multiply
   1,427.54x = 1,969.98 × 837.96
4. Step 4: Simplify right side
   1,427.54x = 1,650,764.44
5. Step 5: Solve for x
   x = 1,650,764.44/1,427.54
6. Step 6: Final answer
   x = 1,156.37