Finding the Fourth Proportional to 2,881,978.09, 4,324,462.49 and 1,284,169.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,881,978.09 : 4,324,462.49 = 1,284,169.55 : x
2. Step 2: Convert to fraction form
   2,881,978.09/4,324,462.49 = 1,284,169.55/x
3. Step 3: Cross multiply
   2,881,978.09x = 4,324,462.49 × 1,284,169.55
4. Step 4: Simplify right side
   2,881,978.09x = 5,553,343,054,165.49
5. Step 5: Solve for x
   x = 5,553,343,054,165.49/2,881,978.09
6. Step 6: Final answer
   x = 1,926,920.64