Finding the Fourth Proportional to 1,448.55, 1,997.87 and 976.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448.55 : 1,997.87 = 976.32 : x
2. Step 2: Convert to fraction form
   1,448.55/1,997.87 = 976.32/x
3. Step 3: Cross multiply
   1,448.55x = 1,997.87 × 976.32
4. Step 4: Simplify right side
   1,448.55x = 1,950,555.56
5. Step 5: Solve for x
   x = 1,950,555.56/1,448.55
6. Step 6: Final answer
   x = 1,346.56