Finding the Fourth Proportional to 3,860,667.55, 5,325,507.69 and 2,407,840.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,860,667.55 : 5,325,507.69 = 2,407,840.70 : x
2. Step 2: Convert to fraction form
   3,860,667.55/5,325,507.69 = 2,407,840.70/x
3. Step 3: Cross multiply
   3,860,667.55x = 5,325,507.69 × 2,407,840.70
4. Step 4: Simplify right side
   3,860,667.55x = 12,822,974,164,144.98
5. Step 5: Solve for x
   x = 12,822,974,164,144.98/3,860,667.55
6. Step 6: Final answer
   x = 3,321,439.63