Finding the Fourth Proportional to 1,627.33, 2,245.71 and 881.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.33 : 2,245.71 = 881.29 : x
2. Step 2: Convert to fraction form
   1,627.33/2,245.71 = 881.29/x
3. Step 3: Cross multiply
   1,627.33x = 2,245.71 × 881.29
4. Step 4: Simplify right side
   1,627.33x = 1,979,115.65
5. Step 5: Solve for x
   x = 1,979,115.65/1,627.33
6. Step 6: Final answer
   x = 1,216.17