Finding the Fourth Proportional to 2,152.58, 3,229.88 and 1,056.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.58 : 3,229.88 = 1,056.33 : x
2. Step 2: Convert to fraction form
   2,152.58/3,229.88 = 1,056.33/x
3. Step 3: Cross multiply
   2,152.58x = 3,229.88 × 1,056.33
4. Step 4: Simplify right side
   2,152.58x = 3,411,813.86
5. Step 5: Solve for x
   x = 3,411,813.86/2,152.58
6. Step 6: Final answer
   x = 1,584.99