Finding the Fourth Proportional to 1,432.04, 1,976.15 and 842.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.04 : 1,976.15 = 842.96 : x
2. Step 2: Convert to fraction form
   1,432.04/1,976.15 = 842.96/x
3. Step 3: Cross multiply
   1,432.04x = 1,976.15 × 842.96
4. Step 4: Simplify right side
   1,432.04x = 1,665,822.45
5. Step 5: Solve for x
   x = 1,665,822.45/1,432.04
6. Step 6: Final answer
   x = 1,163.26