Finding the Fourth Proportional to 1,412.98, 1,949.61 and 888.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.98 : 1,949.61 = 888.10 : x
2. Step 2: Convert to fraction form
   1,412.98/1,949.61 = 888.10/x
3. Step 3: Cross multiply
   1,412.98x = 1,949.61 × 888.10
4. Step 4: Simplify right side
   1,412.98x = 1,731,448.64
5. Step 5: Solve for x
   x = 1,731,448.64/1,412.98
6. Step 6: Final answer
   x = 1,225.39