Finding the Fourth Proportional to 2,666,866.69, 3,680,247.99 and 1,443,145.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,866.69 : 3,680,247.99 = 1,443,145.42 : x
2. Step 2: Convert to fraction form
   2,666,866.69/3,680,247.99 = 1,443,145.42/x
3. Step 3: Cross multiply
   2,666,866.69x = 3,680,247.99 × 1,443,145.42
4. Step 4: Simplify right side
   2,666,866.69x = 5,311,133,031,232.71
5. Step 5: Solve for x
   x = 5,311,133,031,232.71/2,666,866.69
6. Step 6: Final answer
   x = 1,991,525.50