Finding the Fourth Proportional to 78,605.48, 108,477.50 and 42,797.44

Step by Step Solution

1. Step 1: Write the proportion equation
   78,605.48 : 108,477.50 = 42,797.44 : x
2. Step 2: Convert to fraction form
   78,605.48/108,477.50 = 42,797.44/x
3. Step 3: Cross multiply
   78,605.48x = 108,477.50 × 42,797.44
4. Step 4: Simplify right side
   78,605.48x = 4,642,559,297.60
5. Step 5: Solve for x
   x = 4,642,559,297.60/78,605.48
6. Step 6: Final answer
   x = 59,061.52