Finding the Fourth Proportional to 6,215,940.09, 8,578,085.90 and 3,567,218.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,215,940.09 : 8,578,085.90 = 3,567,218.78 : x
2. Step 2: Convert to fraction form
   6,215,940.09/8,578,085.90 = 3,567,218.78/x
3. Step 3: Cross multiply
   6,215,940.09x = 8,578,085.90 × 3,567,218.78
4. Step 4: Simplify right side
   6,215,940.09x = 30,599,909,096,087.27
5. Step 5: Solve for x
   x = 30,599,909,096,087.27/6,215,940.09
6. Step 6: Final answer
   x = 4,922,812.74