Finding the Fourth Proportional to 368,168.78, 552,188.37 and 98,300.27

Step by Step Solution

1. Step 1: Write the proportion equation
   368,168.78 : 552,188.37 = 98,300.27 : x
2. Step 2: Convert to fraction form
   368,168.78/552,188.37 = 98,300.27/x
3. Step 3: Cross multiply
   368,168.78x = 552,188.37 × 98,300.27
4. Step 4: Simplify right side
   368,168.78x = 54,280,265,861.86
5. Step 5: Solve for x
   x = 54,280,265,861.86/368,168.78
6. Step 6: Final answer
   x = 147,433.10