Finding the Fourth Proportional to 2,580,773.32, 3,870,909.69 and 783,672.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,580,773.32 : 3,870,909.69 = 783,672.36 : x
2. Step 2: Convert to fraction form
   2,580,773.32/3,870,909.69 = 783,672.36/x
3. Step 3: Cross multiply
   2,580,773.32x = 3,870,909.69 × 783,672.36
4. Step 4: Simplify right side
   2,580,773.32x = 3,033,524,932,109.17
5. Step 5: Solve for x
   x = 3,033,524,932,109.17/2,580,773.32
6. Step 6: Final answer
   x = 1,175,432.54