Finding the Fourth Proportional to 1,416.72, 1,956.02 and 1,084.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.72 : 1,956.02 = 1,084.55 : x
2. Step 2: Convert to fraction form
   1,416.72/1,956.02 = 1,084.55/x
3. Step 3: Cross multiply
   1,416.72x = 1,956.02 × 1,084.55
4. Step 4: Simplify right side
   1,416.72x = 2,121,401.49
5. Step 5: Solve for x
   x = 2,121,401.49/1,416.72
6. Step 6: Final answer
   x = 1,497.40