Finding the Fourth Proportional to 45,300.74, 67,954.48 and 12,020.06

Step by Step Solution

1. Step 1: Write the proportion equation
   45,300.74 : 67,954.48 = 12,020.06 : x
2. Step 2: Convert to fraction form
   45,300.74/67,954.48 = 12,020.06/x
3. Step 3: Cross multiply
   45,300.74x = 67,954.48 × 12,020.06
4. Step 4: Simplify right side
   45,300.74x = 816,817,066.70
5. Step 5: Solve for x
   x = 816,817,066.70/45,300.74
6. Step 6: Final answer
   x = 18,030.99