Finding the Fourth Proportional to 1,507,608.49, 2,261,689.76 and 496,790.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,608.49 : 2,261,689.76 = 496,790.05 : x
2. Step 2: Convert to fraction form
   1,507,608.49/2,261,689.76 = 496,790.05/x
3. Step 3: Cross multiply
   1,507,608.49x = 2,261,689.76 × 496,790.05
4. Step 4: Simplify right side
   1,507,608.49x = 1,123,584,968,954.89
5. Step 5: Solve for x
   x = 1,123,584,968,954.89/1,507,608.49
6. Step 6: Final answer
   x = 745,276.36