Finding the Fourth Proportional to 6,978,007.26, 9,628,238.35 and 4,076,837.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978,007.26 : 9,628,238.35 = 4,076,837.82 : x
2. Step 2: Convert to fraction form
   6,978,007.26/9,628,238.35 = 4,076,837.82/x
3. Step 3: Cross multiply
   6,978,007.26x = 9,628,238.35 × 4,076,837.82
4. Step 4: Simplify right side
   6,978,007.26x = 39,252,766,245,254.39
5. Step 5: Solve for x
   x = 39,252,766,245,254.39/6,978,007.26
6. Step 6: Final answer
   x = 5,625,211.44