Finding the Fourth Proportional to 108,462.80, 149,677.52 and 60,716.54

Step by Step Solution

1. Step 1: Write the proportion equation
   108,462.80 : 149,677.52 = 60,716.54 : x
2. Step 2: Convert to fraction form
   108,462.80/149,677.52 = 60,716.54/x
3. Step 3: Cross multiply
   108,462.80x = 149,677.52 × 60,716.54
4. Step 4: Simplify right side
   108,462.80x = 9,087,900,078.21
5. Step 5: Solve for x
   x = 9,087,900,078.21/108,462.80
6. Step 6: Final answer
   x = 83,788.18