Finding the Fourth Proportional to 736.42, 1,111.32 and 711.94

Step by Step Solution

1. Step 1: Write the proportion equation
   736.42 : 1,111.32 = 711.94 : x
2. Step 2: Convert to fraction form
   736.42/1,111.32 = 711.94/x
3. Step 3: Cross multiply
   736.42x = 1,111.32 × 711.94
4. Step 4: Simplify right side
   736.42x = 791,189.60
5. Step 5: Solve for x
   x = 791,189.60/736.42
6. Step 6: Final answer
   x = 1,074.37