Finding the Fourth Proportional to 12,811,612,667.84, 19,213,707,050.40 and 3,847,440,282.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,811,612,667.84 : 19,213,707,050.40 = 3,847,440,282.56 : x
2. Step 2: Convert to fraction form
   12,811,612,667.84/19,213,707,050.40 = 3,847,440,282.56/x
3. Step 3: Cross multiply
   12,811,612,667.84x = 19,213,707,050.40 × 3,847,440,282.56
4. Step 4: Simplify right side
   12,811,612,667.84x = 73,923,590,483,016,040,448
5. Step 5: Solve for x
   x = 73,923,590,483,016,040,448/12,811,612,667.84
6. Step 6: Final answer
   x = 5,770,045,692.11