Finding the Fourth Proportional to 78,662.37, 108,553.49 and 42,852.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,662.37 : 108,553.49 = 42,852.37 : x
2. Step 2: Convert to fraction form
   78,662.37/108,553.49 = 42,852.37/x
3. Step 3: Cross multiply
   78,662.37x = 108,553.49 × 42,852.37
4. Step 4: Simplify right side
   78,662.37x = 4,651,774,318.27
5. Step 5: Solve for x
   x = 4,651,774,318.27/78,662.37
6. Step 6: Final answer
   x = 59,135.95