Finding the Fourth Proportional to 1,127.82, 1,668.72 and 1,124.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,127.82 : 1,668.72 = 1,124.58 : x
2. Step 2: Convert to fraction form
   1,127.82/1,668.72 = 1,124.58/x
3. Step 3: Cross multiply
   1,127.82x = 1,668.72 × 1,124.58
4. Step 4: Simplify right side
   1,127.82x = 1,876,609.14
5. Step 5: Solve for x
   x = 1,876,609.14/1,127.82
6. Step 6: Final answer
   x = 1,663.93