Finding the Fourth Proportional to 2,897,096.17, 3,998,194.78 and 1,915,329.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897,096.17 : 3,998,194.78 = 1,915,329.46 : x
2. Step 2: Convert to fraction form
   2,897,096.17/3,998,194.78 = 1,915,329.46/x
3. Step 3: Cross multiply
   2,897,096.17x = 3,998,194.78 × 1,915,329.46
4. Step 4: Simplify right side
   2,897,096.17x = 7,657,860,228,961.25
5. Step 5: Solve for x
   x = 7,657,860,228,961.25/2,897,096.17
6. Step 6: Final answer
   x = 2,643,288.24