Finding the Fourth Proportional to 6,123.45, 8,450.15 and 4,026.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.45 : 8,450.15 = 4,026.09 : x
2. Step 2: Convert to fraction form
   6,123.45/8,450.15 = 4,026.09/x
3. Step 3: Cross multiply
   6,123.45x = 8,450.15 × 4,026.09
4. Step 4: Simplify right side
   6,123.45x = 34,021,044.28
5. Step 5: Solve for x
   x = 34,021,044.28/6,123.45
6. Step 6: Final answer
   x = 5,555.86