Finding the Fourth Proportional to 2,141, 3,210.06 and 986.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141 : 3,210.06 = 986.12 : x
2. Step 2: Convert to fraction form
   2,141/3,210.06 = 986.12/x
3. Step 3: Cross multiply
   2,141x = 3,210.06 × 986.12
4. Step 4: Simplify right side
   2,141x = 3,165,504.37
5. Step 5: Solve for x
   x = 3,165,504.37/2,141
6. Step 6: Final answer
   x = 1,478.52