Finding the Fourth Proportional to 78,371.50, 108,185.76 and 52,912.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,371.50 : 108,185.76 = 52,912.34 : x
2. Step 2: Convert to fraction form
   78,371.50/108,185.76 = 52,912.34/x
3. Step 3: Cross multiply
   78,371.50x = 108,185.76 × 52,912.34
4. Step 4: Simplify right side
   78,371.50x = 5,724,361,716.28
5. Step 5: Solve for x
   x = 5,724,361,716.28/78,371.50
6. Step 6: Final answer
   x = 73,041.37