Finding the Fourth Proportional to 108,243, 162,221.94 and 45,836.28

Step by Step Solution

1. Step 1: Write the proportion equation
   108,243 : 162,221.94 = 45,836.28 : x
2. Step 2: Convert to fraction form
   108,243/162,221.94 = 45,836.28/x
3. Step 3: Cross multiply
   108,243x = 162,221.94 × 45,836.28
4. Step 4: Simplify right side
   108,243x = 7,435,650,263.98
5. Step 5: Solve for x
   x = 7,435,650,263.98/108,243
6. Step 6: Final answer
   x = 68,694.05