Finding the Fourth Proportional to 1,416.96, 1,954.74 and 885.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.96 : 1,954.74 = 885.50 : x
2. Step 2: Convert to fraction form
   1,416.96/1,954.74 = 885.50/x
3. Step 3: Cross multiply
   1,416.96x = 1,954.74 × 885.50
4. Step 4: Simplify right side
   1,416.96x = 1,730,923.15
5. Step 5: Solve for x
   x = 1,730,923.15/1,416.96
6. Step 6: Final answer
   x = 1,221.58