Finding the Fourth Proportional to 1,196.46, 1,650.78 and 692.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196.46 : 1,650.78 = 692.30 : x
2. Step 2: Convert to fraction form
   1,196.46/1,650.78 = 692.30/x
3. Step 3: Cross multiply
   1,196.46x = 1,650.78 × 692.30
4. Step 4: Simplify right side
   1,196.46x = 1,142,834.99
5. Step 5: Solve for x
   x = 1,142,834.99/1,196.46
6. Step 6: Final answer
   x = 955.18