Finding the Fourth Proportional to 1,556.82, 2,330.37 and 1,117.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,556.82 : 2,330.37 = 1,117.33 : x
2. Step 2: Convert to fraction form
   1,556.82/2,330.37 = 1,117.33/x
3. Step 3: Cross multiply
   1,556.82x = 2,330.37 × 1,117.33
4. Step 4: Simplify right side
   1,556.82x = 2,603,786.49
5. Step 5: Solve for x
   x = 2,603,786.49/1,556.82
6. Step 6: Final answer
   x = 1,672.50