Finding the Fourth Proportional to 2,157.46, 3,234.66 and 1,061.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.46 : 3,234.66 = 1,061.12 : x
2. Step 2: Convert to fraction form
   2,157.46/3,234.66 = 1,061.12/x
3. Step 3: Cross multiply
   2,157.46x = 3,234.66 × 1,061.12
4. Step 4: Simplify right side
   2,157.46x = 3,432,362.42
5. Step 5: Solve for x
   x = 3,432,362.42/2,157.46
6. Step 6: Final answer
   x = 1,590.93