Finding the Fourth Proportional to 108,030.38, 149,072.20 and 67,731.26

Step by Step Solution

1. Step 1: Write the proportion equation
   108,030.38 : 149,072.20 = 67,731.26 : x
2. Step 2: Convert to fraction form
   108,030.38/149,072.20 = 67,731.26/x
3. Step 3: Cross multiply
   108,030.38x = 149,072.20 × 67,731.26
4. Step 4: Simplify right side
   108,030.38x = 10,096,847,022.28
5. Step 5: Solve for x
   x = 10,096,847,022.28/108,030.38
6. Step 6: Final answer
   x = 93,463.04