Finding the Fourth Proportional to 2,195.16, 3,029.31 and 1,200.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,195.16 : 3,029.31 = 1,200.42 : x
2. Step 2: Convert to fraction form
   2,195.16/3,029.31 = 1,200.42/x
3. Step 3: Cross multiply
   2,195.16x = 3,029.31 × 1,200.42
4. Step 4: Simplify right side
   2,195.16x = 3,636,444.31
5. Step 5: Solve for x
   x = 3,636,444.31/2,195.16
6. Step 6: Final answer
   x = 1,656.57