Finding the Fourth Proportional to 2,078,198.76, 2,869,895.14 and 1,964,978.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078,198.76 : 2,869,895.14 = 1,964,978.46 : x
2. Step 2: Convert to fraction form
   2,078,198.76/2,869,895.14 = 1,964,978.46/x
3. Step 3: Cross multiply
   2,078,198.76x = 2,869,895.14 × 1,964,978.46
4. Step 4: Simplify right side
   2,078,198.76x = 5,639,282,132,558.69
5. Step 5: Solve for x
   x = 5,639,282,132,558.69/2,078,198.76
6. Step 6: Final answer
   x = 2,713,543.21