Finding the Fourth Proportional to 1,262,326.30, 1,742,024.15 and 689,383.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262,326.30 : 1,742,024.15 = 689,383.33 : x
2. Step 2: Convert to fraction form
   1,262,326.30/1,742,024.15 = 689,383.33/x
3. Step 3: Cross multiply
   1,262,326.30x = 1,742,024.15 × 689,383.33
4. Step 4: Simplify right side
   1,262,326.30x = 1,200,922,409,467.42
5. Step 5: Solve for x
   x = 1,200,922,409,467.42/1,262,326.30
6. Step 6: Final answer
   x = 951,356.56