Finding the Fourth Proportional to 147,484.89, 203,413.53 and 100,945.34

Step by Step Solution

1. Step 1: Write the proportion equation
   147,484.89 : 203,413.53 = 100,945.34 : x
2. Step 2: Convert to fraction form
   147,484.89/203,413.53 = 100,945.34/x
3. Step 3: Cross multiply
   147,484.89x = 203,413.53 × 100,945.34
4. Step 4: Simplify right side
   147,484.89x = 20,533,648,077.15
5. Step 5: Solve for x
   x = 20,533,648,077.15/147,484.89
6. Step 6: Final answer
   x = 139,225.43