Finding the Fourth Proportional to 1,051.07, 1,450.55 and 696.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.07 : 1,450.55 = 696.38 : x
2. Step 2: Convert to fraction form
   1,051.07/1,450.55 = 696.38/x
3. Step 3: Cross multiply
   1,051.07x = 1,450.55 × 696.38
4. Step 4: Simplify right side
   1,051.07x = 1,010,134.01
5. Step 5: Solve for x
   x = 1,010,134.01/1,051.07
6. Step 6: Final answer
   x = 961.05