Finding the Fourth Proportional to 78,792.35, 108,734.20 and 42,982.45

Step by Step Solution

1. Step 1: Write the proportion equation
   78,792.35 : 108,734.20 = 42,982.45 : x
2. Step 2: Convert to fraction form
   78,792.35/108,734.20 = 42,982.45/x
3. Step 3: Cross multiply
   78,792.35x = 108,734.20 × 42,982.45
4. Step 4: Simplify right side
   78,792.35x = 4,673,661,935.50
5. Step 5: Solve for x
   x = 4,673,661,935.50/78,792.35
6. Step 6: Final answer
   x = 59,316.19