Finding the Fourth Proportional to 2,195.52, 3,029.82 and 1,200.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,195.52 : 3,029.82 = 1,200.79 : x
2. Step 2: Convert to fraction form
   2,195.52/3,029.82 = 1,200.79/x
3. Step 3: Cross multiply
   2,195.52x = 3,029.82 × 1,200.79
4. Step 4: Simplify right side
   2,195.52x = 3,638,171.55
5. Step 5: Solve for x
   x = 3,638,171.55/2,195.52
6. Step 6: Final answer
   x = 1,657.09