Finding the Fourth Proportional to 1,355.73, 1,870.89 and 734.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.73 : 1,870.89 = 734.73 : x
2. Step 2: Convert to fraction form
   1,355.73/1,870.89 = 734.73/x
3. Step 3: Cross multiply
   1,355.73x = 1,870.89 × 734.73
4. Step 4: Simplify right side
   1,355.73x = 1,374,599.01
5. Step 5: Solve for x
   x = 1,374,599.01/1,355.73
6. Step 6: Final answer
   x = 1,013.92