Finding the Fourth Proportional to 1,227.32, 1,832.17 and 1,042.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.32 : 1,832.17 = 1,042.76 : x
2. Step 2: Convert to fraction form
   1,227.32/1,832.17 = 1,042.76/x
3. Step 3: Cross multiply
   1,227.32x = 1,832.17 × 1,042.76
4. Step 4: Simplify right side
   1,227.32x = 1,910,513.59
5. Step 5: Solve for x
   x = 1,910,513.59/1,227.32
6. Step 6: Final answer
   x = 1,556.65