Finding the Fourth Proportional to 108,788.74, 150,089.97 and 71,084.86

Step by Step Solution

1. Step 1: Write the proportion equation
   108,788.74 : 150,089.97 = 71,084.86 : x
2. Step 2: Convert to fraction form
   108,788.74/150,089.97 = 71,084.86/x
3. Step 3: Cross multiply
   108,788.74x = 150,089.97 × 71,084.86
4. Step 4: Simplify right side
   108,788.74x = 10,669,124,504.85
5. Step 5: Solve for x
   x = 10,669,124,504.85/108,788.74
6. Step 6: Final answer
   x = 98,071.96