Finding the Fourth Proportional to 1,051.38, 1,450.98 and 696.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.38 : 1,450.98 = 696.69 : x
2. Step 2: Convert to fraction form
   1,051.38/1,450.98 = 696.69/x
3. Step 3: Cross multiply
   1,051.38x = 1,450.98 × 696.69
4. Step 4: Simplify right side
   1,051.38x = 1,010,883.26
5. Step 5: Solve for x
   x = 1,010,883.26/1,051.38
6. Step 6: Final answer
   x = 961.48