Finding the Fourth Proportional to 1,976.95, 2,964.45 and 1,155.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.95 : 2,964.45 = 1,155.47 : x
2. Step 2: Convert to fraction form
   1,976.95/2,964.45 = 1,155.47/x
3. Step 3: Cross multiply
   1,976.95x = 2,964.45 × 1,155.47
4. Step 4: Simplify right side
   1,976.95x = 3,425,333.04
5. Step 5: Solve for x
   x = 3,425,333.04/1,976.95
6. Step 6: Final answer
   x = 1,732.64