Finding the Fourth Proportional to 3,361.32, 5,042.46 and 1,053

Step by Step Solution

1. Step 1: Write the proportion equation
   3,361.32 : 5,042.46 = 1,053 : x
2. Step 2: Convert to fraction form
   3,361.32/5,042.46 = 1,053/x
3. Step 3: Cross multiply
   3,361.32x = 5,042.46 × 1,053
4. Step 4: Simplify right side
   3,361.32x = 5,309,710.38
5. Step 5: Solve for x
   x = 5,309,710.38/3,361.32
6. Step 6: Final answer
   x = 1,579.65