Finding the Fourth Proportional to 1,063.18, 1,468.59 and 886.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.18 : 1,468.59 = 886.71 : x
2. Step 2: Convert to fraction form
   1,063.18/1,468.59 = 886.71/x
3. Step 3: Cross multiply
   1,063.18x = 1,468.59 × 886.71
4. Step 4: Simplify right side
   1,063.18x = 1,302,215.62
5. Step 5: Solve for x
   x = 1,302,215.62/1,063.18
6. Step 6: Final answer
   x = 1,224.83