Finding the Fourth Proportional to 155,168.67, 214,132.91 and 88,100.67

Step by Step Solution

1. Step 1: Write the proportion equation
   155,168.67 : 214,132.91 = 88,100.67 : x
2. Step 2: Convert to fraction form
   155,168.67/214,132.91 = 88,100.67/x
3. Step 3: Cross multiply
   155,168.67x = 214,132.91 × 88,100.67
4. Step 4: Simplify right side
   155,168.67x = 18,865,252,399.55
5. Step 5: Solve for x
   x = 18,865,252,399.55/155,168.67
6. Step 6: Final answer
   x = 121,579.00