Finding the Fourth Proportional to 1,550.56, 2,141.04 and 1,054.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.56 : 2,141.04 = 1,054.24 : x
2. Step 2: Convert to fraction form
   1,550.56/2,141.04 = 1,054.24/x
3. Step 3: Cross multiply
   1,550.56x = 2,141.04 × 1,054.24
4. Step 4: Simplify right side
   1,550.56x = 2,257,170.01
5. Step 5: Solve for x
   x = 2,257,170.01/1,550.56
6. Step 6: Final answer
   x = 1,455.71