Finding the Fourth Proportional to 2,666,978.76, 3,680,034.90 and 1,619,855.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666,978.76 : 3,680,034.90 = 1,619,855.46 : x
2. Step 2: Convert to fraction form
   2,666,978.76/3,680,034.90 = 1,619,855.46/x
3. Step 3: Cross multiply
   2,666,978.76x = 3,680,034.90 × 1,619,855.46
4. Step 4: Simplify right side
   2,666,978.76x = 5,961,124,625,755.55
5. Step 5: Solve for x
   x = 5,961,124,625,755.55/2,666,978.76
6. Step 6: Final answer
   x = 2,235,160.14