Finding the Fourth Proportional to 21,250,426.82, 29,325,453.57 and 12,083,070.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,250,426.82 : 29,325,453.57 = 12,083,070.38 : x
2. Step 2: Convert to fraction form
   21,250,426.82/29,325,453.57 = 12,083,070.38/x
3. Step 3: Cross multiply
   21,250,426.82x = 29,325,453.57 × 12,083,070.38
4. Step 4: Simplify right side
   21,250,426.82x = 354,341,519,265,105
5. Step 5: Solve for x
   x = 354,341,519,265,105/21,250,426.82
6. Step 6: Final answer
   x = 16,674,560.11