Finding the Fourth Proportional to 1,084.38, 1,495.02 and 690.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.38 : 1,495.02 = 690.72 : x
2. Step 2: Convert to fraction form
   1,084.38/1,495.02 = 690.72/x
3. Step 3: Cross multiply
   1,084.38x = 1,495.02 × 690.72
4. Step 4: Simplify right side
   1,084.38x = 1,032,640.21
5. Step 5: Solve for x
   x = 1,032,640.21/1,084.38
6. Step 6: Final answer
   x = 952.29