Finding the Fourth Proportional to 108,981.80, 150,456.54 and 70,775.51

Step by Step Solution

1. Step 1: Write the proportion equation
   108,981.80 : 150,456.54 = 70,775.51 : x
2. Step 2: Convert to fraction form
   108,981.80/150,456.54 = 70,775.51/x
3. Step 3: Cross multiply
   108,981.80x = 150,456.54 × 70,775.51
4. Step 4: Simplify right side
   108,981.80x = 10,648,639,142.29
5. Step 5: Solve for x
   x = 10,648,639,142.29/108,981.80
6. Step 6: Final answer
   x = 97,710.25