Finding the Fourth Proportional to 2,666,816.91, 3,680,217.01 and 1,443,122.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,816.91 : 3,680,217.01 = 1,443,122.30 : x
2. Step 2: Convert to fraction form
   2,666,816.91/3,680,217.01 = 1,443,122.30/x
3. Step 3: Cross multiply
   2,666,816.91x = 3,680,217.01 × 1,443,122.30
4. Step 4: Simplify right side
   2,666,816.91x = 5,311,003,217,569.24
5. Step 5: Solve for x
   x = 5,311,003,217,569.24/2,666,816.91
6. Step 6: Final answer
   x = 1,991,514.00