Finding the Fourth Proportional to 108,074.42, 149,145.22 and 67,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,074.42 : 149,145.22 = 67,789.88 : x
2. Step 2: Convert to fraction form
   108,074.42/149,145.22 = 67,789.88/x
3. Step 3: Cross multiply
   108,074.42x = 149,145.22 × 67,789.88
4. Step 4: Simplify right side
   108,074.42x = 10,110,536,566.37
5. Step 5: Solve for x
   x = 10,110,536,566.37/108,074.42
6. Step 6: Final answer
   x = 93,551.62