Finding the Fourth Proportional to 1,507,607.49, 2,261,688.26 and 496,789.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,607.49 : 2,261,688.26 = 496,789.05 : x
2. Step 2: Convert to fraction form
   1,507,607.49/2,261,688.26 = 496,789.05/x
3. Step 3: Cross multiply
   1,507,607.49x = 2,261,688.26 × 496,789.05
4. Step 4: Simplify right side
   1,507,607.49x = 1,123,581,962,081.55
5. Step 5: Solve for x
   x = 1,123,581,962,081.55/1,507,607.49
6. Step 6: Final answer
   x = 745,274.86