Finding the Fourth Proportional to 108,451.31, 149,662.77 and 60,704.67

Step by Step Solution

1. Step 1: Write the proportion equation
   108,451.31 : 149,662.77 = 60,704.67 : x
2. Step 2: Convert to fraction form
   108,451.31/149,662.77 = 60,704.67/x
3. Step 3: Cross multiply
   108,451.31x = 149,662.77 × 60,704.67
4. Step 4: Simplify right side
   108,451.31x = 9,085,229,064.14
5. Step 5: Solve for x
   x = 9,085,229,064.14/108,451.31
6. Step 6: Final answer
   x = 83,772.43