Finding the Fourth Proportional to 1,069.69, 1,475.35 and 738.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.69 : 1,475.35 = 738.67 : x
2. Step 2: Convert to fraction form
   1,069.69/1,475.35 = 738.67/x
3. Step 3: Cross multiply
   1,069.69x = 1,475.35 × 738.67
4. Step 4: Simplify right side
   1,069.69x = 1,089,796.78
5. Step 5: Solve for x
   x = 1,089,796.78/1,069.69
6. Step 6: Final answer
   x = 1,018.80