Finding the Fourth Proportional to 2,666,899.97, 3,680,321.83 and 1,443,205.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,899.97 : 3,680,321.83 = 1,443,205.53 : x
2. Step 2: Convert to fraction form
   2,666,899.97/3,680,321.83 = 1,443,205.53/x
3. Step 3: Cross multiply
   2,666,899.97x = 3,680,321.83 × 1,443,205.53
4. Step 4: Simplify right side
   2,666,899.97x = 5,311,460,817,235.72
5. Step 5: Solve for x
   x = 5,311,460,817,235.72/2,666,899.97
6. Step 6: Final answer
   x = 1,991,623.56