Finding the Fourth Proportional to 2,666,820.49, 3,680,221.98 and 1,443,125.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,820.49 : 3,680,221.98 = 1,443,125.89 : x
2. Step 2: Convert to fraction form
   2,666,820.49/3,680,221.98 = 1,443,125.89/x
3. Step 3: Cross multiply
   2,666,820.49x = 3,680,221.98 × 1,443,125.89
4. Step 4: Simplify right side
   2,666,820.49x = 5,311,023,620,285.06
5. Step 5: Solve for x
   x = 5,311,023,620,285.06/2,666,820.49
6. Step 6: Final answer
   x = 1,991,518.98