Finding the Fourth Proportional to 1,164.54, 1,606.98 and 692.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164.54 : 1,606.98 = 692.43 : x
2. Step 2: Convert to fraction form
   1,164.54/1,606.98 = 692.43/x
3. Step 3: Cross multiply
   1,164.54x = 1,606.98 × 692.43
4. Step 4: Simplify right side
   1,164.54x = 1,112,721.16
5. Step 5: Solve for x
   x = 1,112,721.16/1,164.54
6. Step 6: Final answer
   x = 955.50