Finding the Fourth Proportional to 45,105.02, 67,649.60 and 13,940.54

Step by Step Solution

1. Step 1: Write the proportion equation
   45,105.02 : 67,649.60 = 13,940.54 : x
2. Step 2: Convert to fraction form
   45,105.02/67,649.60 = 13,940.54/x
3. Step 3: Cross multiply
   45,105.02x = 67,649.60 × 13,940.54
4. Step 4: Simplify right side
   45,105.02x = 943,071,954.78
5. Step 5: Solve for x
   x = 943,071,954.78/45,105.02
6. Step 6: Final answer
   x = 20,908.36