Finding the Fourth Proportional to 1,262,115.69, 1,741,719.56 and 689,156.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262,115.69 : 1,741,719.56 = 689,156.33 : x
2. Step 2: Convert to fraction form
   1,262,115.69/1,741,719.56 = 689,156.33/x
3. Step 3: Cross multiply
   1,262,115.69x = 1,741,719.56 × 689,156.33
4. Step 4: Simplify right side
   1,262,115.69x = 1,200,317,047,704.44
5. Step 5: Solve for x
   x = 1,200,317,047,704.44/1,262,115.69
6. Step 6: Final answer
   x = 951,035.68