Finding the Fourth Proportional to 3,086,978.88, 4,259,261.34 and 1,780,630.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086,978.88 : 4,259,261.34 = 1,780,630.32 : x
2. Step 2: Convert to fraction form
   3,086,978.88/4,259,261.34 = 1,780,630.32/x
3. Step 3: Cross multiply
   3,086,978.88x = 4,259,261.34 × 1,780,630.32
4. Step 4: Simplify right side
   3,086,978.88x = 7,584,169,882,807.83
5. Step 5: Solve for x
   x = 7,584,169,882,807.83/3,086,978.88
6. Step 6: Final answer
   x = 2,456,825.97