Finding the Fourth Proportional to 6,978,123.15, 9,628,397.94 and 4,076,953.44

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978,123.15 : 9,628,397.94 = 4,076,953.44 : x
2. Step 2: Convert to fraction form
   6,978,123.15/9,628,397.94 = 4,076,953.44/x
3. Step 3: Cross multiply
   6,978,123.15x = 9,628,397.94 × 4,076,953.44
4. Step 4: Simplify right side
   6,978,123.15x = 39,254,530,103,171.91
5. Step 5: Solve for x
   x = 39,254,530,103,171.91/6,978,123.15
6. Step 6: Final answer
   x = 5,625,370.79