Finding the Fourth Proportional to 2,117,278.69, 2,921,855.40 and 1,150,411.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,278.69 : 2,921,855.40 = 1,150,411.45 : x
2. Step 2: Convert to fraction form
   2,117,278.69/2,921,855.40 = 1,150,411.45/x
3. Step 3: Cross multiply
   2,117,278.69x = 2,921,855.40 × 1,150,411.45
4. Step 4: Simplify right side
   2,117,278.69x = 3,361,335,907,404.33
5. Step 5: Solve for x
   x = 3,361,335,907,404.33/2,117,278.69
6. Step 6: Final answer
   x = 1,587,573.67