Finding the Fourth Proportional to 1,852.42, 2,556.83 and 1,153.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,852.42 : 2,556.83 = 1,153.38 : x
2. Step 2: Convert to fraction form
   1,852.42/2,556.83 = 1,153.38/x
3. Step 3: Cross multiply
   1,852.42x = 2,556.83 × 1,153.38
4. Step 4: Simplify right side
   1,852.42x = 2,948,996.59
5. Step 5: Solve for x
   x = 2,948,996.59/1,852.42
6. Step 6: Final answer
   x = 1,591.97