Finding the Fourth Proportional to 116,097.67, 160,221.27 and 87,365.67

Step by Step Solution

1. Step 1: Write the proportion equation
   116,097.67 : 160,221.27 = 87,365.67 : x
2. Step 2: Convert to fraction form
   116,097.67/160,221.27 = 87,365.67/x
3. Step 3: Cross multiply
   116,097.67x = 160,221.27 × 87,365.67
4. Step 4: Simplify right side
   116,097.67x = 13,997,838,601.80
5. Step 5: Solve for x
   x = 13,997,838,601.80/116,097.67
6. Step 6: Final answer
   x = 120,569.50