Finding the Fourth Proportional to 108,789.68, 150,080.31 and 70,558.86

Step by Step Solution

1. Step 1: Write the proportion equation
   108,789.68 : 150,080.31 = 70,558.86 : x
2. Step 2: Convert to fraction form
   108,789.68/150,080.31 = 70,558.86/x
3. Step 3: Cross multiply
   108,789.68x = 150,080.31 × 70,558.86
4. Step 4: Simplify right side
   108,789.68x = 10,589,494,478.85
5. Step 5: Solve for x
   x = 10,589,494,478.85/108,789.68
6. Step 6: Final answer
   x = 97,339.15