Finding the Fourth Proportional to 219,015.89, 302,241.93 and 118,413.89

Step by Step Solution

1. Step 1: Write the proportion equation
   219,015.89 : 302,241.93 = 118,413.89 : x
2. Step 2: Convert to fraction form
   219,015.89/302,241.93 = 118,413.89/x
3. Step 3: Cross multiply
   219,015.89x = 302,241.93 × 118,413.89
4. Step 4: Simplify right side
   219,015.89x = 35,789,643,408.01
5. Step 5: Solve for x
   x = 35,789,643,408.01/219,015.89
6. Step 6: Final answer
   x = 163,411.17