Finding the Fourth Proportional to 108,018.50, 149,065.61 and 60,271.83

Step by Step Solution

1. Step 1: Write the proportion equation
   108,018.50 : 149,065.61 = 60,271.83 : x
2. Step 2: Convert to fraction form
   108,018.50/149,065.61 = 60,271.83/x
3. Step 3: Cross multiply
   108,018.50x = 149,065.61 × 60,271.83
4. Step 4: Simplify right side
   108,018.50x = 8,984,456,803.41
5. Step 5: Solve for x
   x = 8,984,456,803.41/108,018.50
6. Step 6: Final answer
   x = 83,175.17