Finding the Fourth Proportional to 1,541.32, 2,127.02 and 842.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,541.32 : 2,127.02 = 842.69 : x
2. Step 2: Convert to fraction form
   1,541.32/2,127.02 = 842.69/x
3. Step 3: Cross multiply
   1,541.32x = 2,127.02 × 842.69
4. Step 4: Simplify right side
   1,541.32x = 1,792,418.48
5. Step 5: Solve for x
   x = 1,792,418.48/1,541.32
6. Step 6: Final answer
   x = 1,162.91