Finding the Fourth Proportional to 1,507,837.89, 2,261,752.25 and 609,269.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507,837.89 : 2,261,752.25 = 609,269.25 : x
2. Step 2: Convert to fraction form
   1,507,837.89/2,261,752.25 = 609,269.25/x
3. Step 3: Cross multiply
   1,507,837.89x = 2,261,752.25 × 609,269.25
4. Step 4: Simplify right side
   1,507,837.89x = 1,378,016,093,996.97
5. Step 5: Solve for x
   x = 1,378,016,093,996.97/1,507,837.89
6. Step 6: Final answer
   x = 913,902.02