Finding the Fourth Proportional to 1,074.35, 1,608.27 and 971.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.35 : 1,608.27 = 971.69 : x
2. Step 2: Convert to fraction form
   1,074.35/1,608.27 = 971.69/x
3. Step 3: Cross multiply
   1,074.35x = 1,608.27 × 971.69
4. Step 4: Simplify right side
   1,074.35x = 1,562,731.83
5. Step 5: Solve for x
   x = 1,562,731.83/1,074.35
6. Step 6: Final answer
   x = 1,454.59