Finding the Fourth Proportional to 3,436.83, 5,155.25 and 1,976.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.83 : 5,155.25 = 1,976.06 : x
2. Step 2: Convert to fraction form
   3,436.83/5,155.25 = 1,976.06/x
3. Step 3: Cross multiply
   3,436.83x = 5,155.25 × 1,976.06
4. Step 4: Simplify right side
   3,436.83x = 10,187,086.32
5. Step 5: Solve for x
   x = 10,187,086.32/3,436.83
6. Step 6: Final answer
   x = 2,964.09