Finding the Fourth Proportional to 2,279,049.30, 3,415,774.59 and 1,279,677.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,049.30 : 3,415,774.59 = 1,279,677.78 : x
2. Step 2: Convert to fraction form
   2,279,049.30/3,415,774.59 = 1,279,677.78/x
3. Step 3: Cross multiply
   2,279,049.30x = 3,415,774.59 × 1,279,677.78
4. Step 4: Simplify right side
   2,279,049.30x = 4,371,090,844,311.61
5. Step 5: Solve for x
   x = 4,371,090,844,311.61/2,279,049.30
6. Step 6: Final answer
   x = 1,917,944.84