Finding the Fourth Proportional to 2,141,310.82, 3,210,683.15 and 681,726.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141,310.82 : 3,210,683.15 = 681,726.46 : x
2. Step 2: Convert to fraction form
   2,141,310.82/3,210,683.15 = 681,726.46/x
3. Step 3: Cross multiply
   2,141,310.82x = 3,210,683.15 × 681,726.46
4. Step 4: Simplify right side
   2,141,310.82x = 2,188,807,658,031.15
5. Step 5: Solve for x
   x = 2,188,807,658,031.15/2,141,310.82
6. Step 6: Final answer
   x = 1,022,181.20