Finding the Fourth Proportional to 108,426.72, 149,629.64 and 60,684.51

Step by Step Solution

1. Step 1: Write the proportion equation
   108,426.72 : 149,629.64 = 60,684.51 : x
2. Step 2: Convert to fraction form
   108,426.72/149,629.64 = 60,684.51/x
3. Step 3: Cross multiply
   108,426.72x = 149,629.64 × 60,684.51
4. Step 4: Simplify right side
   108,426.72x = 9,080,201,081.45
5. Step 5: Solve for x
   x = 9,080,201,081.45/108,426.72
6. Step 6: Final answer
   x = 83,745.05