Finding the Fourth Proportional to 78,055.73, 107,717.22 and 42,245.73

Step by Step Solution

1. Step 1: Write the proportion equation
   78,055.73 : 107,717.22 = 42,245.73 : x
2. Step 2: Convert to fraction form
   78,055.73/107,717.22 = 42,245.73/x
3. Step 3: Cross multiply
   78,055.73x = 107,717.22 × 42,245.73
4. Step 4: Simplify right side
   78,055.73x = 4,550,592,592.47
5. Step 5: Solve for x
   x = 4,550,592,592.47/78,055.73
6. Step 6: Final answer
   x = 58,299.28