Finding the Fourth Proportional to 1,071.34, 1,603.96 and 741.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.34 : 1,603.96 = 741.54 : x
2. Step 2: Convert to fraction form
   1,071.34/1,603.96 = 741.54/x
3. Step 3: Cross multiply
   1,071.34x = 1,603.96 × 741.54
4. Step 4: Simplify right side
   1,071.34x = 1,189,400.50
5. Step 5: Solve for x
   x = 1,189,400.50/1,071.34
6. Step 6: Final answer
   x = 1,110.20