Finding the Fourth Proportional to 5,578,659.15, 8,364,168.55 and 2,840,907.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,578,659.15 : 8,364,168.55 = 2,840,907.05 : x
2. Step 2: Convert to fraction form
   5,578,659.15/8,364,168.55 = 2,840,907.05/x
3. Step 3: Cross multiply
   5,578,659.15x = 8,364,168.55 × 2,840,907.05
4. Step 4: Simplify right side
   5,578,659.15x = 23,761,825,401,083.28
5. Step 5: Solve for x
   x = 23,761,825,401,083.28/5,578,659.15
6. Step 6: Final answer
   x = 4,259,415.17