Finding the Fourth Proportional to 2,666,867.19, 3,680,276.72 and 1,443,172.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,867.19 : 3,680,276.72 = 1,443,172.72 : x
2. Step 2: Convert to fraction form
   2,666,867.19/3,680,276.72 = 1,443,172.72/x
3. Step 3: Cross multiply
   2,666,867.19x = 3,680,276.72 × 1,443,172.72
4. Step 4: Simplify right side
   2,666,867.19x = 5,311,274,958,762.32
5. Step 5: Solve for x
   x = 5,311,274,958,762.32/2,666,867.19
6. Step 6: Final answer
   x = 1,991,578.35