Finding the Fourth Proportional to 118,071.60, 162,910.81 and 67,085.34

Step by Step Solution

1. Step 1: Write the proportion equation
   118,071.60 : 162,910.81 = 67,085.34 : x
2. Step 2: Convert to fraction form
   118,071.60/162,910.81 = 67,085.34/x
3. Step 3: Cross multiply
   118,071.60x = 162,910.81 × 67,085.34
4. Step 4: Simplify right side
   118,071.60x = 10,928,927,078.53
5. Step 5: Solve for x
   x = 10,928,927,078.53/118,071.60
6. Step 6: Final answer
   x = 92,561.86