Finding the Fourth Proportional to 78,946.41, 108,946.81 and 43,136.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,946.41 : 108,946.81 = 43,136.42 : x
2. Step 2: Convert to fraction form
   78,946.41/108,946.81 = 43,136.42/x
3. Step 3: Cross multiply
   78,946.41x = 108,946.81 × 43,136.42
4. Step 4: Simplify right side
   78,946.41x = 4,699,574,593.40
5. Step 5: Solve for x
   x = 4,699,574,593.40/78,946.41
6. Step 6: Final answer
   x = 59,528.67