Finding the Fourth Proportional to 2,666,864.44, 3,680,244.88 and 1,443,143.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,864.44 : 3,680,244.88 = 1,443,143.17 : x
2. Step 2: Convert to fraction form
   2,666,864.44/3,680,244.88 = 1,443,143.17/x
3. Step 3: Cross multiply
   2,666,864.44x = 3,680,244.88 × 1,443,143.17
4. Step 4: Simplify right side
   2,666,864.44x = 5,311,120,262,499.47
5. Step 5: Solve for x
   x = 5,311,120,262,499.47/2,666,864.44
6. Step 6: Final answer
   x = 1,991,522.40