Finding the Fourth Proportional to 1,707,109.29, 2,560,638.42 and 509,036.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,707,109.29 : 2,560,638.42 = 509,036.67 : x
2. Step 2: Convert to fraction form
   1,707,109.29/2,560,638.42 = 509,036.67/x
3. Step 3: Cross multiply
   1,707,109.29x = 2,560,638.42 × 509,036.67
4. Step 4: Simplify right side
   1,707,109.29x = 1,303,458,854,390.86
5. Step 5: Solve for x
   x = 1,303,458,854,390.86/1,707,109.29
6. Step 6: Final answer
   x = 763,547.40