Finding the Fourth Proportional to 3,462.59, 5,192.71 and 1,121.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,462.59 : 5,192.71 = 1,121.96 : x
2. Step 2: Convert to fraction form
   3,462.59/5,192.71 = 1,121.96/x
3. Step 3: Cross multiply
   3,462.59x = 5,192.71 × 1,121.96
4. Step 4: Simplify right side
   3,462.59x = 5,826,012.91
5. Step 5: Solve for x
   x = 5,826,012.91/3,462.59
6. Step 6: Final answer
   x = 1,682.56