Finding the Fourth Proportional to 2,152.32, 3,225.37 and 1,055.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.32 : 3,225.37 = 1,055.44 : x
2. Step 2: Convert to fraction form
   2,152.32/3,225.37 = 1,055.44/x
3. Step 3: Cross multiply
   2,152.32x = 3,225.37 × 1,055.44
4. Step 4: Simplify right side
   2,152.32x = 3,404,184.51
5. Step 5: Solve for x
   x = 3,404,184.51/2,152.32
6. Step 6: Final answer
   x = 1,581.63