Finding the Fourth Proportional to 2,231,846.42, 3,079,978.70 and 1,213,273.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,846.42 : 3,079,978.70 = 1,213,273.04 : x
2. Step 2: Convert to fraction form
   2,231,846.42/3,079,978.70 = 1,213,273.04/x
3. Step 3: Cross multiply
   2,231,846.42x = 3,079,978.70 × 1,213,273.04
4. Step 4: Simplify right side
   2,231,846.42x = 3,736,855,099,017.99
5. Step 5: Solve for x
   x = 3,736,855,099,017.99/2,231,846.42
6. Step 6: Final answer
   x = 1,674,333.45