Finding the Fourth Proportional to 1,416.42, 1,954.42 and 885.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,416.42 : 1,954.42 = 885.22 : x
2. Step 2: Convert to fraction form
   1,416.42/1,954.42 = 885.22/x
3. Step 3: Cross multiply
   1,416.42x = 1,954.42 × 885.22
4. Step 4: Simplify right side
   1,416.42x = 1,730,091.67
5. Step 5: Solve for x
   x = 1,730,091.67/1,416.42
6. Step 6: Final answer
   x = 1,221.45