Finding the Fourth Proportional to 1,459.55, 2,014.20 and 830.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,459.55 : 2,014.20 = 830.18 : x
2. Step 2: Convert to fraction form
   1,459.55/2,014.20 = 830.18/x
3. Step 3: Cross multiply
   1,459.55x = 2,014.20 × 830.18
4. Step 4: Simplify right side
   1,459.55x = 1,672,148.56
5. Step 5: Solve for x
   x = 1,672,148.56/1,459.55
6. Step 6: Final answer
   x = 1,145.66