Finding the Fourth Proportional to 1,064.62, 1,468.60 and 671.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.62 : 1,468.60 = 671.50 : x
2. Step 2: Convert to fraction form
   1,064.62/1,468.60 = 671.50/x
3. Step 3: Cross multiply
   1,064.62x = 1,468.60 × 671.50
4. Step 4: Simplify right side
   1,064.62x = 986,164.90
5. Step 5: Solve for x
   x = 986,164.90/1,064.62
6. Step 6: Final answer
   x = 926.31