Finding the Fourth Proportional to 12,673.02, 19,003.05 and 7,418.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,673.02 : 19,003.05 = 7,418.29 : x
2. Step 2: Convert to fraction form
   12,673.02/19,003.05 = 7,418.29/x
3. Step 3: Cross multiply
   12,673.02x = 19,003.05 × 7,418.29
4. Step 4: Simplify right side
   12,673.02x = 140,970,135.78
5. Step 5: Solve for x
   x = 140,970,135.78/12,673.02
6. Step 6: Final answer
   x = 11,123.64