Finding the Fourth Proportional to 1,069.89, 1,605.34 and 741.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.89 : 1,605.34 = 741.33 : x
2. Step 2: Convert to fraction form
   1,069.89/1,605.34 = 741.33/x
3. Step 3: Cross multiply
   1,069.89x = 1,605.34 × 741.33
4. Step 4: Simplify right side
   1,069.89x = 1,190,084.85
5. Step 5: Solve for x
   x = 1,190,084.85/1,069.89
6. Step 6: Final answer
   x = 1,112.35