Finding the Fourth Proportional to 116,329.48, 160,493.78 and 76,066.81

Step by Step Solution

1. Step 1: Write the proportion equation
   116,329.48 : 160,493.78 = 76,066.81 : x
2. Step 2: Convert to fraction form
   116,329.48/160,493.78 = 76,066.81/x
3. Step 3: Cross multiply
   116,329.48x = 160,493.78 × 76,066.81
4. Step 4: Simplify right side
   116,329.48x = 12,208,249,066.97
5. Step 5: Solve for x
   x = 12,208,249,066.97/116,329.48
6. Step 6: Final answer
   x = 104,945.45