Finding the Fourth Proportional to 1,412.82, 1,949.32 and 880.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.82 : 1,949.32 = 880.87 : x
2. Step 2: Convert to fraction form
   1,412.82/1,949.32 = 880.87/x
3. Step 3: Cross multiply
   1,412.82x = 1,949.32 × 880.87
4. Step 4: Simplify right side
   1,412.82x = 1,717,097.51
5. Step 5: Solve for x
   x = 1,717,097.51/1,412.82
6. Step 6: Final answer
   x = 1,215.37