Finding the Fourth Proportional to 3,111.32, 4,665.08 and 1,262.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.32 : 4,665.08 = 1,262.72 : x
2. Step 2: Convert to fraction form
   3,111.32/4,665.08 = 1,262.72/x
3. Step 3: Cross multiply
   3,111.32x = 4,665.08 × 1,262.72
4. Step 4: Simplify right side
   3,111.32x = 5,890,689.82
5. Step 5: Solve for x
   x = 5,890,689.82/3,111.32
6. Step 6: Final answer
   x = 1,893.31