Finding the Fourth Proportional to 78,373.68, 108,155.20 and 42,563.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,373.68 : 108,155.20 = 42,563.37 : x
2. Step 2: Convert to fraction form
   78,373.68/108,155.20 = 42,563.37/x
3. Step 3: Cross multiply
   78,373.68x = 108,155.20 × 42,563.37
4. Step 4: Simplify right side
   78,373.68x = 4,603,450,174.00
5. Step 5: Solve for x
   x = 4,603,450,174.00/78,373.68
6. Step 6: Final answer
   x = 58,737.20