Finding the Fourth Proportional to 1,574,196.09, 2,361,367.89 and 509,321.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,196.09 : 2,361,367.89 = 509,321.49 : x
2. Step 2: Convert to fraction form
   1,574,196.09/2,361,367.89 = 509,321.49/x
3. Step 3: Cross multiply
   1,574,196.09x = 2,361,367.89 × 509,321.49
4. Step 4: Simplify right side
   1,574,196.09x = 1,202,695,412,172.96
5. Step 5: Solve for x
   x = 1,202,695,412,172.96/1,574,196.09
6. Step 6: Final answer
   x = 764,006.10