Finding the Fourth Proportional to 2,358.72, 3,536.82 and 1,125

Step by Step Solution

1. Step 1: Write the proportion equation
   2,358.72 : 3,536.82 = 1,125 : x
2. Step 2: Convert to fraction form
   2,358.72/3,536.82 = 1,125/x
3. Step 3: Cross multiply
   2,358.72x = 3,536.82 × 1,125
4. Step 4: Simplify right side
   2,358.72x = 3,978,922.50
5. Step 5: Solve for x
   x = 3,978,922.50/2,358.72
6. Step 6: Final answer
   x = 1,686.90