Finding the Fourth Proportional to 78,605.48, 108,474.91 and 42,795.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,605.48 : 108,474.91 = 42,795.43 : x
2. Step 2: Convert to fraction form
   78,605.48/108,474.91 = 42,795.43/x
3. Step 3: Cross multiply
   78,605.48x = 108,474.91 × 42,795.43
4. Step 4: Simplify right side
   78,605.48x = 4,642,230,039.49
5. Step 5: Solve for x
   x = 4,642,230,039.49/78,605.48
6. Step 6: Final answer
   x = 59,057.33