Finding the Fourth Proportional to 1,346.46, 1,858.71 and 892.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.46 : 1,858.71 = 892.18 : x
2. Step 2: Convert to fraction form
   1,346.46/1,858.71 = 892.18/x
3. Step 3: Cross multiply
   1,346.46x = 1,858.71 × 892.18
4. Step 4: Simplify right side
   1,346.46x = 1,658,299.43
5. Step 5: Solve for x
   x = 1,658,299.43/1,346.46
6. Step 6: Final answer
   x = 1,231.60