Finding the Fourth Proportional to 108,729.42, 150,052.23 and 60,980.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,729.42 : 150,052.23 = 60,980.10 : x
2. Step 2: Convert to fraction form
   108,729.42/150,052.23 = 60,980.10/x
3. Step 3: Cross multiply
   108,729.42x = 150,052.23 × 60,980.10
4. Step 4: Simplify right side
   108,729.42x = 9,150,199,990.62
5. Step 5: Solve for x
   x = 9,150,199,990.62/108,729.42
6. Step 6: Final answer
   x = 84,155.70