Finding the Fourth Proportional to 78,792.62, 108,733.59 and 42,982.38

Step by Step Solution

1. Step 1: Write the proportion equation
   78,792.62 : 108,733.59 = 42,982.38 : x
2. Step 2: Convert to fraction form
   78,792.62/108,733.59 = 42,982.38/x
3. Step 3: Cross multiply
   78,792.62x = 108,733.59 × 42,982.38
4. Step 4: Simplify right side
   78,792.62x = 4,673,628,025.42
5. Step 5: Solve for x
   x = 4,673,628,025.42/78,792.62
6. Step 6: Final answer
   x = 59,315.56