Finding the Fourth Proportional to 3,357.60, 5,036.50 and 892.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,357.60 : 5,036.50 = 892.42 : x
2. Step 2: Convert to fraction form
   3,357.60/5,036.50 = 892.42/x
3. Step 3: Cross multiply
   3,357.60x = 5,036.50 × 892.42
4. Step 4: Simplify right side
   3,357.60x = 4,494,656.83
5. Step 5: Solve for x
   x = 4,494,656.83/3,357.60
6. Step 6: Final answer
   x = 1,338.65