Finding the Fourth Proportional to 1,412.12, 1,948.72 and 888.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,412.12 : 1,948.72 = 888.16 : x
2. Step 2: Convert to fraction form
   1,412.12/1,948.72 = 888.16/x
3. Step 3: Cross multiply
   1,412.12x = 1,948.72 × 888.16
4. Step 4: Simplify right side
   1,412.12x = 1,730,775.16
5. Step 5: Solve for x
   x = 1,730,775.16/1,412.12
6. Step 6: Final answer
   x = 1,225.66