Finding the Fourth Proportional to 1,551.56, 2,141.24 and 888.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,551.56 : 2,141.24 = 888.23 : x
2. Step 2: Convert to fraction form
   1,551.56/2,141.24 = 888.23/x
3. Step 3: Cross multiply
   1,551.56x = 2,141.24 × 888.23
4. Step 4: Simplify right side
   1,551.56x = 1,901,914.52
5. Step 5: Solve for x
   x = 1,901,914.52/1,551.56
6. Step 6: Final answer
   x = 1,225.81