Finding the Fourth Proportional to 2,205,976.32, 3,043,775.12 and 1,287,788.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205,976.32 : 3,043,775.12 = 1,287,788.76 : x
2. Step 2: Convert to fraction form
   2,205,976.32/3,043,775.12 = 1,287,788.76/x
3. Step 3: Cross multiply
   2,205,976.32x = 3,043,775.12 × 1,287,788.76
4. Step 4: Simplify right side
   2,205,976.32x = 3,919,739,381,064.71
5. Step 5: Solve for x
   x = 3,919,739,381,064.71/2,205,976.32
6. Step 6: Final answer
   x = 1,776,872.83