Finding the Fourth Proportional to 1,317,019.74, 1,817,449.92 and 773,146.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,019.74 : 1,817,449.92 = 773,146.86 : x
2. Step 2: Convert to fraction form
   1,317,019.74/1,817,449.92 = 773,146.86/x
3. Step 3: Cross multiply
   1,317,019.74x = 1,817,449.92 × 773,146.86
4. Step 4: Simplify right side
   1,317,019.74x = 1,405,155,698,855.25
5. Step 5: Solve for x
   x = 1,405,155,698,855.25/1,317,019.74
6. Step 6: Final answer
   x = 1,066,920.76