Finding the Fourth Proportional to 10,790,604.10, 16,185,906.15 and 8,271,180.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,790,604.10 : 16,185,906.15 = 8,271,180.10 : x
2. Step 2: Convert to fraction form
   10,790,604.10/16,185,906.15 = 8,271,180.10/x
3. Step 3: Cross multiply
   10,790,604.10x = 16,185,906.15 × 8,271,180.10
4. Step 4: Simplify right side
   10,790,604.10x = 133,876,544,848,347.61
5. Step 5: Solve for x
   x = 133,876,544,848,347.61/10,790,604.10
6. Step 6: Final answer
   x = 12,406,770.15