Finding the Fourth Proportional to 45,300.67, 67,954.55 and 12,020.00

Step by Step Solution

1. Step 1: Write the proportion equation
   45,300.67 : 67,954.55 = 12,020.00 : x
2. Step 2: Convert to fraction form
   45,300.67/67,954.55 = 12,020.00/x
3. Step 3: Cross multiply
   45,300.67x = 67,954.55 × 12,020.00
4. Step 4: Simplify right side
   45,300.67x = 816,813,291.13
5. Step 5: Solve for x
   x = 816,813,291.13/45,300.67
6. Step 6: Final answer
   x = 18,030.93