Finding the Fourth Proportional to 1,116,579.67, 1,674,870.43 and 275,131.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,579.67 : 1,674,870.43 = 275,131.51 : x
2. Step 2: Convert to fraction form
   1,116,579.67/1,674,870.43 = 275,131.51/x
3. Step 3: Cross multiply
   1,116,579.67x = 1,674,870.43 × 275,131.51
4. Step 4: Simplify right side
   1,116,579.67x = 460,809,629,084.59
5. Step 5: Solve for x
   x = 460,809,629,084.59/1,116,579.67
6. Step 6: Final answer
   x = 412,697.49