Finding the Fourth Proportional to 1,427.41, 1,970.49 and 837.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,427.41 : 1,970.49 = 837.73 : x
2. Step 2: Convert to fraction form
   1,427.41/1,970.49 = 837.73/x
3. Step 3: Cross multiply
   1,427.41x = 1,970.49 × 837.73
4. Step 4: Simplify right side
   1,427.41x = 1,650,738.59
5. Step 5: Solve for x
   x = 1,650,738.59/1,427.41
6. Step 6: Final answer
   x = 1,156.46