Finding the Fourth Proportional to 116,087.96, 160,203.15 and 67,688.57

Step by Step Solution

1. Step 1: Write the proportion equation
   116,087.96 : 160,203.15 = 67,688.57 : x
2. Step 2: Convert to fraction form
   116,087.96/160,203.15 = 67,688.57/x
3. Step 3: Cross multiply
   116,087.96x = 160,203.15 × 67,688.57
4. Step 4: Simplify right side
   116,087.96x = 10,843,922,533.50
5. Step 5: Solve for x
   x = 10,843,922,533.50/116,087.96
6. Step 6: Final answer
   x = 93,411.26