Finding the Fourth Proportional to 1,449.32, 1,998.69 and 977.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,449.32 : 1,998.69 = 977.29 : x
2. Step 2: Convert to fraction form
   1,449.32/1,998.69 = 977.29/x
3. Step 3: Cross multiply
   1,449.32x = 1,998.69 × 977.29
4. Step 4: Simplify right side
   1,449.32x = 1,953,291.09
5. Step 5: Solve for x
   x = 1,953,291.09/1,449.32
6. Step 6: Final answer
   x = 1,347.73