Finding the Fourth Proportional to 116,839.04, 161,132.01 and 76,538.10

Step by Step Solution

1. Step 1: Write the proportion equation
   116,839.04 : 161,132.01 = 76,538.10 : x
2. Step 2: Convert to fraction form
   116,839.04/161,132.01 = 76,538.10/x
3. Step 3: Cross multiply
   116,839.04x = 161,132.01 × 76,538.10
4. Step 4: Simplify right side
   116,839.04x = 12,332,737,894.58
5. Step 5: Solve for x
   x = 12,332,737,894.58/116,839.04
6. Step 6: Final answer
   x = 105,553.23