Finding the Fourth Proportional to 2,666,920.61, 3,680,359.70 and 1,443,225.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,920.61 : 3,680,359.70 = 1,443,225.81 : x
2. Step 2: Convert to fraction form
   2,666,920.61/3,680,359.70 = 1,443,225.81/x
3. Step 3: Cross multiply
   2,666,920.61x = 3,680,359.70 × 1,443,225.81
4. Step 4: Simplify right side
   2,666,920.61x = 5,311,590,101,907.73
5. Step 5: Solve for x
   x = 5,311,590,101,907.73/2,666,920.61
6. Step 6: Final answer
   x = 1,991,656.63