Finding the Fourth Proportional to 2,582,978.14, 3,564,420.37 and 1,421,315.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,582,978.14 : 3,564,420.37 = 1,421,315.79 : x
2. Step 2: Convert to fraction form
   2,582,978.14/3,564,420.37 = 1,421,315.79/x
3. Step 3: Cross multiply
   2,582,978.14x = 3,564,420.37 × 1,421,315.79
4. Step 4: Simplify right side
   2,582,978.14x = 5,066,166,954,078.64
5. Step 5: Solve for x
   x = 5,066,166,954,078.64/2,582,978.14
6. Step 6: Final answer
   x = 1,961,366.56