Finding the Fourth Proportional to 1,464.55, 2,196.67 and 770.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,464.55 : 2,196.67 = 770.94 : x
2. Step 2: Convert to fraction form
   1,464.55/2,196.67 = 770.94/x
3. Step 3: Cross multiply
   1,464.55x = 2,196.67 × 770.94
4. Step 4: Simplify right side
   1,464.55x = 1,693,500.77
5. Step 5: Solve for x
   x = 1,693,500.77/1,464.55
6. Step 6: Final answer
   x = 1,156.33