Finding the Fourth Proportional to 2,795.78, 4,193.78 and 1,152.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,795.78 : 4,193.78 = 1,152.09 : x
2. Step 2: Convert to fraction form
   2,795.78/4,193.78 = 1,152.09/x
3. Step 3: Cross multiply
   2,795.78x = 4,193.78 × 1,152.09
4. Step 4: Simplify right side
   2,795.78x = 4,831,606.24
5. Step 5: Solve for x
   x = 4,831,606.24/2,795.78
6. Step 6: Final answer
   x = 1,728.18