Finding the Fourth Proportional to 6,173,945.69, 8,519,934.57 and 3,420,577.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,173,945.69 : 8,519,934.57 = 3,420,577.89 : x
2. Step 2: Convert to fraction form
   6,173,945.69/8,519,934.57 = 3,420,577.89/x
3. Step 3: Cross multiply
   6,173,945.69x = 8,519,934.57 × 3,420,577.89
4. Step 4: Simplify right side
   6,173,945.69x = 29,143,099,814,388.66
5. Step 5: Solve for x
   x = 29,143,099,814,388.66/6,173,945.69
6. Step 6: Final answer
   x = 4,720,336.28