Finding the Fourth Proportional to 116,882.67, 161,223.29 and 81,059.61

Step by Step Solution

1. Step 1: Write the proportion equation
   116,882.67 : 161,223.29 = 81,059.61 : x
2. Step 2: Convert to fraction form
   116,882.67/161,223.29 = 81,059.61/x
3. Step 3: Cross multiply
   116,882.67x = 161,223.29 × 81,059.61
4. Step 4: Simplify right side
   116,882.67x = 13,068,697,969.54
5. Step 5: Solve for x
   x = 13,068,697,969.54/116,882.67
6. Step 6: Final answer
   x = 111,810.40