Finding the Fourth Proportional to 1,262,118.48, 1,741,716.72 and 689,159.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262,118.48 : 1,741,716.72 = 689,159.04 : x
2. Step 2: Convert to fraction form
   1,262,118.48/1,741,716.72 = 689,159.04/x
3. Step 3: Cross multiply
   1,262,118.48x = 1,741,716.72 × 689,159.04
4. Step 4: Simplify right side
   1,262,118.48x = 1,200,319,822,707.15
5. Step 5: Solve for x
   x = 1,200,319,822,707.15/1,262,118.48
6. Step 6: Final answer
   x = 951,035.77