Finding the Fourth Proportional to 67,146,446.69, 100,719,661.45 and 18,624,300.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,146,446.69 : 100,719,661.45 = 18,624,300.25 : x
2. Step 2: Convert to fraction form
   67,146,446.69/100,719,661.45 = 18,624,300.25/x
3. Step 3: Cross multiply
   67,146,446.69x = 100,719,661.45 × 18,624,300.25
4. Step 4: Simplify right side
   67,146,446.69x = 1,875,833,215,419,552.25
5. Step 5: Solve for x
   x = 1,875,833,215,419,552.25/67,146,446.69
6. Step 6: Final answer
   x = 27,936,447.99