Finding the Fourth Proportional to 1,254,978.09, 1,731,880.71 and 682,018.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254,978.09 : 1,731,880.71 = 682,018.20 : x
2. Step 2: Convert to fraction form
   1,254,978.09/1,731,880.71 = 682,018.20/x
3. Step 3: Cross multiply
   1,254,978.09x = 1,731,880.71 × 682,018.20
4. Step 4: Simplify right side
   1,254,978.09x = 1,181,174,164,448.92
5. Step 5: Solve for x
   x = 1,181,174,164,448.92/1,254,978.09
6. Step 6: Final answer
   x = 941,191.06