Finding the Fourth Proportional to 116,819.91, 161,200.39 and 68,414.31

Step by Step Solution

1. Step 1: Write the proportion equation
   116,819.91 : 161,200.39 = 68,414.31 : x
2. Step 2: Convert to fraction form
   116,819.91/161,200.39 = 68,414.31/x
3. Step 3: Cross multiply
   116,819.91x = 161,200.39 × 68,414.31
4. Step 4: Simplify right side
   116,819.91x = 11,028,413,453.58
5. Step 5: Solve for x
   x = 11,028,413,453.58/116,819.91
6. Step 6: Final answer
   x = 94,405.26