Finding the Fourth Proportional to 1,074.84, 1,611.32 and 708.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.84 : 1,611.32 = 708.86 : x
2. Step 2: Convert to fraction form
   1,074.84/1,611.32 = 708.86/x
3. Step 3: Cross multiply
   1,074.84x = 1,611.32 × 708.86
4. Step 4: Simplify right side
   1,074.84x = 1,142,188.69
5. Step 5: Solve for x
   x = 1,142,188.69/1,074.84
6. Step 6: Final answer
   x = 1,062.66