Finding the Fourth Proportional to 78,053.37, 107,713.95 and 42,243.37

Step by Step Solution

1. Step 1: Write the proportion equation
   78,053.37 : 107,713.95 = 42,243.37 : x
2. Step 2: Convert to fraction form
   78,053.37/107,713.95 = 42,243.37/x
3. Step 3: Cross multiply
   78,053.37x = 107,713.95 × 42,243.37
4. Step 4: Simplify right side
   78,053.37x = 4,550,200,659.82
5. Step 5: Solve for x
   x = 4,550,200,659.82/78,053.37
6. Step 6: Final answer
   x = 58,296.02