Finding the Fourth Proportional to 3,362.12, 5,042.62 and 1,053

Step by Step Solution

1. Step 1: Write the proportion equation
   3,362.12 : 5,042.62 = 1,053 : x
2. Step 2: Convert to fraction form
   3,362.12/5,042.62 = 1,053/x
3. Step 3: Cross multiply
   3,362.12x = 5,042.62 × 1,053
4. Step 4: Simplify right side
   3,362.12x = 5,309,878.86
5. Step 5: Solve for x
   x = 5,309,878.86/3,362.12
6. Step 6: Final answer
   x = 1,579.32