Finding the Fourth Proportional to 1,061.34, 1,466.55 and 830.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.34 : 1,466.55 = 830.22 : x
2. Step 2: Convert to fraction form
   1,061.34/1,466.55 = 830.22/x
3. Step 3: Cross multiply
   1,061.34x = 1,466.55 × 830.22
4. Step 4: Simplify right side
   1,061.34x = 1,217,559.14
5. Step 5: Solve for x
   x = 1,217,559.14/1,061.34
6. Step 6: Final answer
   x = 1,147.19