Finding the Fourth Proportional to 108,766.69, 162,956.91 and 45,447.42

Step by Step Solution

1. Step 1: Write the proportion equation
   108,766.69 : 162,956.91 = 45,447.42 : x
2. Step 2: Convert to fraction form
   108,766.69/162,956.91 = 45,447.42/x
3. Step 3: Cross multiply
   108,766.69x = 162,956.91 × 45,447.42
4. Step 4: Simplify right side
   108,766.69x = 7,405,971,130.67
5. Step 5: Solve for x
   x = 7,405,971,130.67/108,766.69
6. Step 6: Final answer
   x = 68,090.43