Finding the Fourth Proportional to 2,077,270.77, 2,867,111.89 and 1,218,107.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077,270.77 : 2,867,111.89 = 1,218,107.82 : x
2. Step 2: Convert to fraction form
   2,077,270.77/2,867,111.89 = 1,218,107.82/x
3. Step 3: Cross multiply
   2,077,270.77x = 2,867,111.89 × 1,218,107.82
4. Step 4: Simplify right side
   2,077,270.77x = 3,492,451,412,454.73
5. Step 5: Solve for x
   x = 3,492,451,412,454.73/2,077,270.77
6. Step 6: Final answer
   x = 1,681,269.22