Finding the Fourth Proportional to 2,976.81, 4,464.60 and 1,127.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.81 : 4,464.60 = 1,127.29 : x
2. Step 2: Convert to fraction form
   2,976.81/4,464.60 = 1,127.29/x
3. Step 3: Cross multiply
   2,976.81x = 4,464.60 × 1,127.29
4. Step 4: Simplify right side
   2,976.81x = 5,032,876.61
5. Step 5: Solve for x
   x = 5,032,876.61/2,976.81
6. Step 6: Final answer
   x = 1,690.70