Finding the Fourth Proportional to 2,666,849.76, 3,680,224.62 and 1,443,128.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,849.76 : 3,680,224.62 = 1,443,128.49 : x
2. Step 2: Convert to fraction form
   2,666,849.76/3,680,224.62 = 1,443,128.49/x
3. Step 3: Cross multiply
   2,666,849.76x = 3,680,224.62 × 1,443,128.49
4. Step 4: Simplify right side
   2,666,849.76x = 5,311,036,998,721.42
5. Step 5: Solve for x
   x = 5,311,036,998,721.42/2,666,849.76
6. Step 6: Final answer
   x = 1,991,502.14