Finding the Fourth Proportional to 1,185,086.58, 1,635,632.37 and 668,997.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,086.58 : 1,635,632.37 = 668,997.78 : x
2. Step 2: Convert to fraction form
   1,185,086.58/1,635,632.37 = 668,997.78/x
3. Step 3: Cross multiply
   1,185,086.58x = 1,635,632.37 × 668,997.78
4. Step 4: Simplify right side
   1,185,086.58x = 1,094,234,424,426.14
5. Step 5: Solve for x
   x = 1,094,234,424,426.14/1,185,086.58
6. Step 6: Final answer
   x = 923,337.12