Finding the Fourth Proportional to 3,141.98, 4,712.01 and 1,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,141.98 : 4,712.01 = 1,089.50 : x
2. Step 2: Convert to fraction form
   3,141.98/4,712.01 = 1,089.50/x
3. Step 3: Cross multiply
   3,141.98x = 4,712.01 × 1,089.50
4. Step 4: Simplify right side
   3,141.98x = 5,133,734.90
5. Step 5: Solve for x
   x = 5,133,734.90/3,141.98
6. Step 6: Final answer
   x = 1,633.92