Finding the Fourth Proportional to 75,105.54, 103,657.72 and 42,850.68

Step by Step Solution

1. Step 1: Write the proportion equation
   75,105.54 : 103,657.72 = 42,850.68 : x
2. Step 2: Convert to fraction form
   75,105.54/103,657.72 = 42,850.68/x
3. Step 3: Cross multiply
   75,105.54x = 103,657.72 × 42,850.68
4. Step 4: Simplify right side
   75,105.54x = 4,441,803,601.78
5. Step 5: Solve for x
   x = 4,441,803,601.78/75,105.54
6. Step 6: Final answer
   x = 59,140.83