Finding the Fourth Proportional to 3,897,234.73, 5,378,072.69 and 2,154,874.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,897,234.73 : 5,378,072.69 = 2,154,874.15 : x
2. Step 2: Convert to fraction form
   3,897,234.73/5,378,072.69 = 2,154,874.15/x
3. Step 3: Cross multiply
   3,897,234.73x = 5,378,072.69 × 2,154,874.15
4. Step 4: Simplify right side
   3,897,234.73x = 11,589,069,808,443.97
5. Step 5: Solve for x
   x = 11,589,069,808,443.97/3,897,234.73
6. Step 6: Final answer
   x = 2,973,664.82