Finding the Fourth Proportional to 6,392,978.58, 9,589,551 and 2,133,146.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,392,978.58 : 9,589,551 = 2,133,146.82 : x
2. Step 2: Convert to fraction form
   6,392,978.58/9,589,551 = 2,133,146.82/x
3. Step 3: Cross multiply
   6,392,978.58x = 9,589,551 × 2,133,146.82
4. Step 4: Simplify right side
   6,392,978.58x = 20,455,920,220,877.82
5. Step 5: Solve for x
   x = 20,455,920,220,877.82/6,392,978.58
6. Step 6: Final answer
   x = 3,199,747.97