Finding the Fourth Proportional to 1,118.89, 1,544.24 and 1,069.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118.89 : 1,544.24 = 1,069.67 : x
2. Step 2: Convert to fraction form
   1,118.89/1,544.24 = 1,069.67/x
3. Step 3: Cross multiply
   1,118.89x = 1,544.24 × 1,069.67
4. Step 4: Simplify right side
   1,118.89x = 1,651,827.20
5. Step 5: Solve for x
   x = 1,651,827.20/1,118.89
6. Step 6: Final answer
   x = 1,476.31