Finding the Fourth Proportional to 1,967,813.69, 2,951,956.99 and 1,860,196.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967,813.69 : 2,951,956.99 = 1,860,196.89 : x
2. Step 2: Convert to fraction form
   1,967,813.69/2,951,956.99 = 1,860,196.89/x
3. Step 3: Cross multiply
   1,967,813.69x = 2,951,956.99 × 1,860,196.89
4. Step 4: Simplify right side
   1,967,813.69x = 5,491,221,200,478.54
5. Step 5: Solve for x
   x = 5,491,221,200,478.54/1,967,813.69
6. Step 6: Final answer
   x = 2,790,518.85