Finding the Fourth Proportional to 108,680.59, 149,903.35 and 105,022.81

Step by Step Solution

1. Step 1: Write the proportion equation
   108,680.59 : 149,903.35 = 105,022.81 : x
2. Step 2: Convert to fraction form
   108,680.59/149,903.35 = 105,022.81/x
3. Step 3: Cross multiply
   108,680.59x = 149,903.35 × 105,022.81
4. Step 4: Simplify right side
   108,680.59x = 15,743,271,045.41
5. Step 5: Solve for x
   x = 15,743,271,045.41/108,680.59
6. Step 6: Final answer
   x = 144,858.17