Finding the Fourth Proportional to 1,334.42, 1,841.78 and 886.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334.42 : 1,841.78 = 886.32 : x
2. Step 2: Convert to fraction form
   1,334.42/1,841.78 = 886.32/x
3. Step 3: Cross multiply
   1,334.42x = 1,841.78 × 886.32
4. Step 4: Simplify right side
   1,334.42x = 1,632,402.02
5. Step 5: Solve for x
   x = 1,632,402.02/1,334.42
6. Step 6: Final answer
   x = 1,223.31