Finding the Fourth Proportional to 1,069.34, 1,475.52 and 627.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.34 : 1,475.52 = 627.18 : x
2. Step 2: Convert to fraction form
   1,069.34/1,475.52 = 627.18/x
3. Step 3: Cross multiply
   1,069.34x = 1,475.52 × 627.18
4. Step 4: Simplify right side
   1,069.34x = 925,416.63
5. Step 5: Solve for x
   x = 925,416.63/1,069.34
6. Step 6: Final answer
   x = 865.41