Finding the Fourth Proportional to 2,580,741.99, 3,870,862.82 and 783,641.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,741.99 : 3,870,862.82 = 783,641.25 : x
2. Step 2: Convert to fraction form
   2,580,741.99/3,870,862.82 = 783,641.25/x
3. Step 3: Cross multiply
   2,580,741.99x = 3,870,862.82 × 783,641.25
4. Step 4: Simplify right side
   2,580,741.99x = 3,033,367,778,843.33
5. Step 5: Solve for x
   x = 3,033,367,778,843.33/2,580,741.99
6. Step 6: Final answer
   x = 1,175,385.91