Finding the Fourth Proportional to 78,183.50, 107,893.17 and 42,373.49

Step by Step Solution

1. Step 1: Write the proportion equation
   78,183.50 : 107,893.17 = 42,373.49 : x
2. Step 2: Convert to fraction form
   78,183.50/107,893.17 = 42,373.49/x
3. Step 3: Cross multiply
   78,183.50x = 107,893.17 × 42,373.49
4. Step 4: Simplify right side
   78,183.50x = 4,571,809,620.60
5. Step 5: Solve for x
   x = 4,571,809,620.60/78,183.50
6. Step 6: Final answer
   x = 58,475.38