Finding the Fourth Proportional to 2,666,819.49, 3,680,220.60 and 1,443,124.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,819.49 : 3,680,220.60 = 1,443,124.89 : x
2. Step 2: Convert to fraction form
   2,666,819.49/3,680,220.60 = 1,443,124.89/x
3. Step 3: Cross multiply
   2,666,819.49x = 3,680,220.60 × 1,443,124.89
4. Step 4: Simplify right side
   2,666,819.49x = 5,311,017,948,550.73
5. Step 5: Solve for x
   x = 5,311,017,948,550.73/2,666,819.49
6. Step 6: Final answer
   x = 1,991,517.60