Finding the Fourth Proportional to 1,423.32, 1,964.70 and 1,074.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.32 : 1,964.70 = 1,074.84 : x
2. Step 2: Convert to fraction form
   1,423.32/1,964.70 = 1,074.84/x
3. Step 3: Cross multiply
   1,423.32x = 1,964.70 × 1,074.84
4. Step 4: Simplify right side
   1,423.32x = 2,111,738.15
5. Step 5: Solve for x
   x = 2,111,738.15/1,423.32
6. Step 6: Final answer
   x = 1,483.67