Finding the Fourth Proportional to 12,895,546.88, 19,342,620.32 and 3,919,399.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,895,546.88 : 19,342,620.32 = 3,919,399.04 : x
2. Step 2: Convert to fraction form
   12,895,546.88/19,342,620.32 = 3,919,399.04/x
3. Step 3: Cross multiply
   12,895,546.88x = 19,342,620.32 × 3,919,399.04
4. Step 4: Simplify right side
   12,895,546.88x = 75,811,447,513,292.50
5. Step 5: Solve for x
   x = 75,811,447,513,292.50/12,895,546.88
6. Step 6: Final answer
   x = 5,878,885.81