Finding the Fourth Proportional to 2,580,782.32, 3,870,923.16 and 783,681.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,782.32 : 3,870,923.16 = 783,681.34 : x
2. Step 2: Convert to fraction form
   2,580,782.32/3,870,923.16 = 783,681.34/x
3. Step 3: Cross multiply
   2,580,782.32x = 3,870,923.16 × 783,681.34
4. Step 4: Simplify right side
   2,580,782.32x = 3,033,570,249,065.83
5. Step 5: Solve for x
   x = 3,033,570,249,065.83/2,580,782.32
6. Step 6: Final answer
   x = 1,175,446.00