Finding the Fourth Proportional to 1,095,906.32, 1,511,923.56 and 687,770

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095,906.32 : 1,511,923.56 = 687,770 : x
2. Step 2: Convert to fraction form
   1,095,906.32/1,511,923.56 = 687,770/x
3. Step 3: Cross multiply
   1,095,906.32x = 1,511,923.56 × 687,770
4. Step 4: Simplify right side
   1,095,906.32x = 1,039,855,666,861.20
5. Step 5: Solve for x
   x = 1,039,855,666,861.20/1,095,906.32
6. Step 6: Final answer
   x = 948,854.52