Finding the Fourth Proportional to 2,182,814.31, 3,012,374.51 and 1,215,944.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,814.31 : 3,012,374.51 = 1,215,944.34 : x
2. Step 2: Convert to fraction form
   2,182,814.31/3,012,374.51 = 1,215,944.34/x
3. Step 3: Cross multiply
   2,182,814.31x = 3,012,374.51 × 1,215,944.34
4. Step 4: Simplify right side
   2,182,814.31x = 3,662,879,729,315.05
5. Step 5: Solve for x
   x = 3,662,879,729,315.05/2,182,814.31
6. Step 6: Final answer
   x = 1,678,053.75