Finding the Fourth Proportional to 78,794.21, 108,735.82 and 42,984.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,794.21 : 108,735.82 = 42,984.23 : x
2. Step 2: Convert to fraction form
   78,794.21/108,735.82 = 42,984.23/x
3. Step 3: Cross multiply
   78,794.21x = 108,735.82 × 42,984.23
4. Step 4: Simplify right side
   78,794.21x = 4,673,924,844.98
5. Step 5: Solve for x
   x = 4,673,924,844.98/78,794.21
6. Step 6: Final answer
   x = 59,318.12