Finding the Fourth Proportional to 2,897,086.89, 3,998,714.82 and 1,979,687.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897,086.89 : 3,998,714.82 = 1,979,687.37 : x
2. Step 2: Convert to fraction form
   2,897,086.89/3,998,714.82 = 1,979,687.37/x
3. Step 3: Cross multiply
   2,897,086.89x = 3,998,714.82 × 1,979,687.37
4. Step 4: Simplify right side
   2,897,086.89x = 7,916,205,225,385.82
5. Step 5: Solve for x
   x = 7,916,205,225,385.82/2,897,086.89
6. Step 6: Final answer
   x = 2,732,470.76