Finding the Fourth Proportional to 2,182,812.81, 3,012,372.43 and 1,215,942.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,812.81 : 3,012,372.43 = 1,215,942.84 : x
2. Step 2: Convert to fraction form
   2,182,812.81/3,012,372.43 = 1,215,942.84/x
3. Step 3: Cross multiply
   2,182,812.81x = 3,012,372.43 × 1,215,942.84
4. Step 4: Simplify right side
   2,182,812.81x = 3,662,872,691,471.72
5. Step 5: Solve for x
   x = 3,662,872,691,471.72/2,182,812.81
6. Step 6: Final answer
   x = 1,678,051.68