Finding the Fourth Proportional to 2,158.75, 3,233.71 and 1,059.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.75 : 3,233.71 = 1,059.67 : x
2. Step 2: Convert to fraction form
   2,158.75/3,233.71 = 1,059.67/x
3. Step 3: Cross multiply
   2,158.75x = 3,233.71 × 1,059.67
4. Step 4: Simplify right side
   2,158.75x = 3,426,665.48
5. Step 5: Solve for x
   x = 3,426,665.48/2,158.75
6. Step 6: Final answer
   x = 1,587.34