Finding the Fourth Proportional to 2,630,966.45, 3,922,129.89 and 2,589,506.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,630,966.45 : 3,922,129.89 = 2,589,506.55 : x
2. Step 2: Convert to fraction form
   2,630,966.45/3,922,129.89 = 2,589,506.55/x
3. Step 3: Cross multiply
   2,630,966.45x = 3,922,129.89 × 2,589,506.55
4. Step 4: Simplify right side
   2,630,966.45x = 10,156,381,040,105.78
5. Step 5: Solve for x
   x = 10,156,381,040,105.78/2,630,966.45
6. Step 6: Final answer
   x = 3,860,323.29