Finding the Fourth Proportional to 12,864,196.41, 19,271,067.90 and 7,461,496.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,864,196.41 : 19,271,067.90 = 7,461,496.41 : x
2. Step 2: Convert to fraction form
   12,864,196.41/19,271,067.90 = 7,461,496.41/x
3. Step 3: Cross multiply
   12,864,196.41x = 19,271,067.90 × 7,461,496.41
4. Step 4: Simplify right side
   12,864,196.41x = 143,791,003,915,408.75
5. Step 5: Solve for x
   x = 143,791,003,915,408.75/12,864,196.41
6. Step 6: Final answer
   x = 11,177,612.60