Finding the Fourth Proportional to 2,564,978, 3,539,363.88 and 1,418,903.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,978 : 3,539,363.88 = 1,418,903.12 : x
2. Step 2: Convert to fraction form
   2,564,978/3,539,363.88 = 1,418,903.12/x
3. Step 3: Cross multiply
   2,564,978x = 3,539,363.88 × 1,418,903.12
4. Step 4: Simplify right side
   2,564,978x = 5,022,014,452,147.31
5. Step 5: Solve for x
   x = 5,022,014,452,147.31/2,564,978
6. Step 6: Final answer
   x = 1,957,917.16