Finding the Fourth Proportional to 1,069.89, 1,475.58 and 738.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.89 : 1,475.58 = 738.24 : x
2. Step 2: Convert to fraction form
   1,069.89/1,475.58 = 738.24/x
3. Step 3: Cross multiply
   1,069.89x = 1,475.58 × 738.24
4. Step 4: Simplify right side
   1,069.89x = 1,089,332.18
5. Step 5: Solve for x
   x = 1,089,332.18/1,069.89
6. Step 6: Final answer
   x = 1,018.17