Finding the Fourth Proportional to 2,740,596.28, 4,111,461.86 and 821,429.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740,596.28 : 4,111,461.86 = 821,429.98 : x
2. Step 2: Convert to fraction form
   2,740,596.28/4,111,461.86 = 821,429.98/x
3. Step 3: Cross multiply
   2,740,596.28x = 4,111,461.86 × 821,429.98
4. Step 4: Simplify right side
   2,740,596.28x = 3,377,278,033,430.56
5. Step 5: Solve for x
   x = 3,377,278,033,430.56/2,740,596.28
6. Step 6: Final answer
   x = 1,232,315.05