Finding the Fourth Proportional to 2,195.42, 3,029.73 and 1,200.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,195.42 : 3,029.73 = 1,200.77 : x
2. Step 2: Convert to fraction form
   2,195.42/3,029.73 = 1,200.77/x
3. Step 3: Cross multiply
   2,195.42x = 3,029.73 × 1,200.77
4. Step 4: Simplify right side
   2,195.42x = 3,638,008.89
5. Step 5: Solve for x
   x = 3,638,008.89/2,195.42
6. Step 6: Final answer
   x = 1,657.09