Finding the Fourth Proportional to 2,666,981.25, 3,680,433.86 and 1,443,286.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,981.25 : 3,680,433.86 = 1,443,286.76 : x
2. Step 2: Convert to fraction form
   2,666,981.25/3,680,433.86 = 1,443,286.76/x
3. Step 3: Cross multiply
   2,666,981.25x = 3,680,433.86 × 1,443,286.76
4. Step 4: Simplify right side
   2,666,981.25x = 5,311,921,435,575.09
5. Step 5: Solve for x
   x = 5,311,921,435,575.09/2,666,981.25
6. Step 6: Final answer
   x = 1,991,735.58